64910368840

素因数分解:

$2^3\times 5^1\times {\mathrm{521}}^1\times {\mathrm{3114701}}^1$

素因数の和:3115233

約数の個数: 32

約数和(自身を含む): 146328699960

約数和(自身を除く): 81418331120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 521, 1042, 2084, 2605, 4168, 5210, 10420, 20840, 3114701, 6229402, 12458804, 15573505, 24917608, 31147010, 62294020, 124588040, 1622759221, 3245518442, 6491036884, 8113796105, 12982073768, 16227592210, 32455184420, 64910368840]

約数ペア:

[(1, 64910368840), (2, 32455184420), (4, 16227592210), (5, 12982073768), (8, 8113796105), (10, 6491036884), (20, 3245518442), (40, 1622759221), (521, 124588040), (1042, 62294020), (2084, 31147010), (2605, 24917608), (4168, 15573505), (5210, 12458804), (10420, 6229402), (20840, 3114701)]