64790960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{62299}}^1$

素因数の和:62325

約数の個数: 40

約数和(自身を含む): 162229200

約数和(自身を除く): 97438240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 62299, 124598, 249196, 311495, 498392, 622990, 809887, 996784, 1245980, 1619774, 2491960, 3239548, 4049435, 4983920, 6479096, 8098870, 12958192, 16197740, 32395480, 64790960]

約数ペア:

[(1, 64790960), (2, 32395480), (4, 16197740), (5, 12958192), (8, 8098870), (10, 6479096), (13, 4983920), (16, 4049435), (20, 3239548), (26, 2491960), (40, 1619774), (52, 1245980), (65, 996784), (80, 809887), (104, 622990), (130, 498392), (208, 311495), (260, 249196), (520, 124598), (1040, 62299)]