56879420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7057}}^1$

素因数の和:7110

約数の個数: 48

約数和(自身を含む): 132803328

約数和(自身を除く): 75923908

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 7057, 8060, 14114, 28228, 35285, 70570, 91741, 141140, 183482, 218767, 366964, 437534, 458705, 875068, 917410, 1093835, 1834820, 2187670, 2843971, 4375340, 5687942, 11375884, 14219855, 28439710, 56879420]

約数ペア:

[(1, 56879420), (2, 28439710), (4, 14219855), (5, 11375884), (10, 5687942), (13, 4375340), (20, 2843971), (26, 2187670), (31, 1834820), (52, 1093835), (62, 917410), (65, 875068), (124, 458705), (130, 437534), (155, 366964), (260, 218767), (310, 183482), (403, 141140), (620, 91741), (806, 70570), (1612, 35285), (2015, 28228), (4030, 14114), (7057, 8060)]