25418640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8147}}^1$

素因数の和:8176

約数の個数: 80

約数和(自身を含む): 84869568

約数和(自身を除く): 59450928

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 8147, 16294, 24441, 32588, 40735, 48882, 65176, 81470, 97764, 105911, 122205, 130352, 162940, 195528, 211822, 244410, 317733, 325880, 391056, 423644, 488820, 529555, 635466, 651760, 847288, 977640, 1059110, 1270932, 1588665, 1694576, 1955280, 2118220, 2541864, 3177330, 4236440, 5083728, 6354660, 8472880, 12709320, 25418640]

約数ペア:

[(1, 25418640), (2, 12709320), (3, 8472880), (4, 6354660), (5, 5083728), (6, 4236440), (8, 3177330), (10, 2541864), (12, 2118220), (13, 1955280), (15, 1694576), (16, 1588665), (20, 1270932), (24, 1059110), (26, 977640), (30, 847288), (39, 651760), (40, 635466), (48, 529555), (52, 488820), (60, 423644), (65, 391056), (78, 325880), (80, 317733), (104, 244410), (120, 211822), (130, 195528), (156, 162940), (195, 130352), (208, 122205), (240, 105911), (260, 97764), (312, 81470), (390, 65176), (520, 48882), (624, 40735), (780, 32588), (1040, 24441), (1560, 16294), (3120, 8147)]