40258400

素因数分解:

$2^5\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1$

素因数の和:126

約数の個数: 216

約数和(自身を含む): 124679520

約数和(自身を除く): 84421120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 32, 35, 40, 49, 50, 52, 56, 65, 70, 79, 80, 91, 98, 100, 104, 112, 130, 140, 158, 160, 175, 182, 196, 200, 208, 224, 245, 260, 280, 316, 325, 350, 364, 392, 395, 400, 416, 455, 490, 520, 553, 560, 632, 637, 650, 700, 728, 784, 790, 800, 910, 980, 1027, 1040, 1106, 1120, 1225, 1264, 1274, 1300, 1400, 1456, 1568, 1580, 1820, 1960, 1975, 2054, 2080, 2212, 2275, 2450, 2528, 2548, 2600, 2765, 2800, 2912, 3160, 3185, 3640, 3871, 3920, 3950, 4108, 4424, 4550, 4900, 5096, 5135, 5200, 5530, 5600, 6320, 6370, 7189, 7280, 7742, 7840, 7900, 8216, 8848, 9100, 9800, 10192, 10270, 10400, 11060, 12640, 12740, 13825, 14378, 14560, 15484, 15800, 15925, 16432, 17696, 18200, 19355, 19600, 20384, 20540, 22120, 25480, 25675, 27650, 28756, 30968, 31600, 31850, 32864, 35945, 36400, 38710, 39200, 41080, 44240, 50323, 50960, 51350, 55300, 57512, 61936, 63200, 63700, 71890, 72800, 77420, 82160, 88480, 96775, 100646, 101920, 102700, 110600, 115024, 123872, 127400, 143780, 154840, 164320, 179725, 193550, 201292, 205400, 221200, 230048, 251615, 254800, 287560, 309680, 359450, 387100, 402584, 410800, 442400, 503230, 509600, 575120, 619360, 718900, 774200, 805168, 821600, 1006460, 1150240, 1258075, 1437800, 1548400, 1610336, 2012920, 2516150, 2875600, 3096800, 4025840, 5032300, 5751200, 8051680, 10064600, 20129200, 40258400]

約数ペア:

[(1, 40258400), (2, 20129200), (4, 10064600), (5, 8051680), (7, 5751200), (8, 5032300), (10, 4025840), (13, 3096800), (14, 2875600), (16, 2516150), (20, 2012920), (25, 1610336), (26, 1548400), (28, 1437800), (32, 1258075), (35, 1150240), (40, 1006460), (49, 821600), (50, 805168), (52, 774200), (56, 718900), (65, 619360), (70, 575120), (79, 509600), (80, 503230), (91, 442400), (98, 410800), (100, 402584), (104, 387100), (112, 359450), (130, 309680), (140, 287560), (158, 254800), (160, 251615), (175, 230048), (182, 221200), (196, 205400), (200, 201292), (208, 193550), (224, 179725), (245, 164320), (260, 154840), (280, 143780), (316, 127400), (325, 123872), (350, 115024), (364, 110600), (392, 102700), (395, 101920), (400, 100646), (416, 96775), (455, 88480), (490, 82160), (520, 77420), (553, 72800), (560, 71890), (632, 63700), (637, 63200), (650, 61936), (700, 57512), (728, 55300), (784, 51350), (790, 50960), (800, 50323), (910, 44240), (980, 41080), (1027, 39200), (1040, 38710), (1106, 36400), (1120, 35945), (1225, 32864), (1264, 31850), (1274, 31600), (1300, 30968), (1400, 28756), (1456, 27650), (1568, 25675), (1580, 25480), (1820, 22120), (1960, 20540), (1975, 20384), (2054, 19600), (2080, 19355), (2212, 18200), (2275, 17696), (2450, 16432), (2528, 15925), (2548, 15800), (2600, 15484), (2765, 14560), (2800, 14378), (2912, 13825), (3160, 12740), (3185, 12640), (3640, 11060), (3871, 10400), (3920, 10270), (3950, 10192), (4108, 9800), (4424, 9100), (4550, 8848), (4900, 8216), (5096, 7900), (5135, 7840), (5200, 7742), (5530, 7280), (5600, 7189), (6320, 6370)]