64597460

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{409}}^1$

素因数の和:620

約数の個数: 48

約数和(自身を含む): 139482000

約数和(自身を除く): 74884540

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 149, 212, 265, 298, 409, 530, 596, 745, 818, 1060, 1490, 1636, 2045, 2980, 4090, 7897, 8180, 15794, 21677, 31588, 39485, 43354, 60941, 78970, 86708, 108385, 121882, 157940, 216770, 243764, 304705, 433540, 609410, 1218820, 3229873, 6459746, 12919492, 16149365, 32298730, 64597460]

約数ペア:

[(1, 64597460), (2, 32298730), (4, 16149365), (5, 12919492), (10, 6459746), (20, 3229873), (53, 1218820), (106, 609410), (149, 433540), (212, 304705), (265, 243764), (298, 216770), (409, 157940), (530, 121882), (596, 108385), (745, 86708), (818, 78970), (1060, 60941), (1490, 43354), (1636, 39485), (2045, 31588), (2980, 21677), (4090, 15794), (7897, 8180)]