25892440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:225

約数の個数: 128

約数和(自身を含む): 72806400

約数和(自身を除く): 46913960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 31, 35, 38, 40, 56, 62, 70, 76, 95, 124, 133, 140, 152, 155, 157, 190, 217, 248, 266, 280, 310, 314, 380, 434, 532, 589, 620, 628, 665, 760, 785, 868, 1064, 1085, 1099, 1178, 1240, 1256, 1330, 1570, 1736, 2170, 2198, 2356, 2660, 2945, 2983, 3140, 4123, 4340, 4396, 4712, 4867, 5320, 5495, 5890, 5966, 6280, 8246, 8680, 8792, 9734, 10990, 11780, 11932, 14915, 16492, 19468, 20615, 20881, 21980, 23560, 23864, 24335, 29830, 32984, 34069, 38936, 41230, 41762, 43960, 48670, 59660, 68138, 82460, 83524, 92473, 97340, 104405, 119320, 136276, 164920, 167048, 170345, 184946, 194680, 208810, 272552, 340690, 369892, 417620, 462365, 647311, 681380, 739784, 835240, 924730, 1294622, 1362760, 1849460, 2589244, 3236555, 3698920, 5178488, 6473110, 12946220, 25892440]

約数ペア:

[(1, 25892440), (2, 12946220), (4, 6473110), (5, 5178488), (7, 3698920), (8, 3236555), (10, 2589244), (14, 1849460), (19, 1362760), (20, 1294622), (28, 924730), (31, 835240), (35, 739784), (38, 681380), (40, 647311), (56, 462365), (62, 417620), (70, 369892), (76, 340690), (95, 272552), (124, 208810), (133, 194680), (140, 184946), (152, 170345), (155, 167048), (157, 164920), (190, 136276), (217, 119320), (248, 104405), (266, 97340), (280, 92473), (310, 83524), (314, 82460), (380, 68138), (434, 59660), (532, 48670), (589, 43960), (620, 41762), (628, 41230), (665, 38936), (760, 34069), (785, 32984), (868, 29830), (1064, 24335), (1085, 23864), (1099, 23560), (1178, 21980), (1240, 20881), (1256, 20615), (1330, 19468), (1570, 16492), (1736, 14915), (2170, 11932), (2198, 11780), (2356, 10990), (2660, 9734), (2945, 8792), (2983, 8680), (3140, 8246), (4123, 6280), (4340, 5966), (4396, 5890), (4712, 5495), (4867, 5320)]