25716560

素因数分解:

$2^4\times 5^1\times {\mathrm{521}}^1\times {\mathrm{617}}^1$

素因数の和:1151

約数の個数: 40

約数和(自身を含む): 60002856

約数和(自身を除く): 34286296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 521, 617, 1042, 1234, 2084, 2468, 2605, 3085, 4168, 4936, 5210, 6170, 8336, 9872, 10420, 12340, 20840, 24680, 41680, 49360, 321457, 642914, 1285828, 1607285, 2571656, 3214570, 5143312, 6429140, 12858280, 25716560]

約数ペア:

[(1, 25716560), (2, 12858280), (4, 6429140), (5, 5143312), (8, 3214570), (10, 2571656), (16, 1607285), (20, 1285828), (40, 642914), (80, 321457), (521, 49360), (617, 41680), (1042, 24680), (1234, 20840), (2084, 12340), (2468, 10420), (2605, 9872), (3085, 8336), (4168, 6170), (4936, 5210)]