25123280

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1$

素因数の和:86

約数の個数: 240

約数和(自身を含む): 80151120

約数和(自身を除く): 55027840

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 17, 20, 26, 28, 29, 34, 35, 40, 49, 52, 56, 58, 65, 68, 70, 80, 85, 91, 98, 104, 112, 116, 119, 130, 136, 140, 145, 170, 182, 196, 203, 208, 221, 232, 238, 245, 260, 272, 280, 290, 340, 364, 377, 392, 406, 442, 455, 464, 476, 490, 493, 520, 560, 580, 595, 637, 680, 728, 754, 784, 812, 833, 884, 910, 952, 980, 986, 1015, 1040, 1105, 1160, 1190, 1274, 1360, 1421, 1456, 1508, 1547, 1624, 1666, 1768, 1820, 1885, 1904, 1960, 1972, 2030, 2210, 2320, 2380, 2465, 2548, 2639, 2842, 3016, 3094, 3185, 3248, 3332, 3451, 3536, 3640, 3770, 3920, 3944, 4060, 4165, 4420, 4760, 4930, 5096, 5278, 5684, 6032, 6188, 6370, 6409, 6664, 6902, 7105, 7280, 7540, 7735, 7888, 8120, 8330, 8840, 9520, 9860, 10192, 10556, 10829, 11368, 12376, 12740, 12818, 13195, 13328, 13804, 14210, 15080, 15470, 16240, 16660, 17255, 17680, 18473, 19720, 21112, 21658, 22736, 24157, 24752, 25480, 25636, 26390, 27608, 28420, 30160, 30940, 32045, 33320, 34510, 36946, 39440, 42224, 43316, 44863, 48314, 50960, 51272, 52780, 54145, 55216, 56840, 61880, 64090, 66640, 69020, 73892, 86632, 89726, 92365, 96628, 102544, 105560, 108290, 113680, 120785, 123760, 128180, 138040, 147784, 173264, 179452, 184730, 193256, 211120, 216580, 224315, 241570, 256360, 276080, 295568, 314041, 358904, 369460, 386512, 433160, 448630, 483140, 512720, 628082, 717808, 738920, 866320, 897260, 966280, 1256164, 1477840, 1570205, 1794520, 1932560, 2512328, 3140410, 3589040, 5024656, 6280820, 12561640, 25123280]

約数ペア:

[(1, 25123280), (2, 12561640), (4, 6280820), (5, 5024656), (7, 3589040), (8, 3140410), (10, 2512328), (13, 1932560), (14, 1794520), (16, 1570205), (17, 1477840), (20, 1256164), (26, 966280), (28, 897260), (29, 866320), (34, 738920), (35, 717808), (40, 628082), (49, 512720), (52, 483140), (56, 448630), (58, 433160), (65, 386512), (68, 369460), (70, 358904), (80, 314041), (85, 295568), (91, 276080), (98, 256360), (104, 241570), (112, 224315), (116, 216580), (119, 211120), (130, 193256), (136, 184730), (140, 179452), (145, 173264), (170, 147784), (182, 138040), (196, 128180), (203, 123760), (208, 120785), (221, 113680), (232, 108290), (238, 105560), (245, 102544), (260, 96628), (272, 92365), (280, 89726), (290, 86632), (340, 73892), (364, 69020), (377, 66640), (392, 64090), (406, 61880), (442, 56840), (455, 55216), (464, 54145), (476, 52780), (490, 51272), (493, 50960), (520, 48314), (560, 44863), (580, 43316), (595, 42224), (637, 39440), (680, 36946), (728, 34510), (754, 33320), (784, 32045), (812, 30940), (833, 30160), (884, 28420), (910, 27608), (952, 26390), (980, 25636), (986, 25480), (1015, 24752), (1040, 24157), (1105, 22736), (1160, 21658), (1190, 21112), (1274, 19720), (1360, 18473), (1421, 17680), (1456, 17255), (1508, 16660), (1547, 16240), (1624, 15470), (1666, 15080), (1768, 14210), (1820, 13804), (1885, 13328), (1904, 13195), (1960, 12818), (1972, 12740), (2030, 12376), (2210, 11368), (2320, 10829), (2380, 10556), (2465, 10192), (2548, 9860), (2639, 9520), (2842, 8840), (3016, 8330), (3094, 8120), (3185, 7888), (3248, 7735), (3332, 7540), (3451, 7280), (3536, 7105), (3640, 6902), (3770, 6664), (3920, 6409), (3944, 6370), (4060, 6188), (4165, 6032), (4420, 5684), (4760, 5278), (4930, 5096)]