208968610040

素因数分解:

$2^3\times 5^1\times {\mathrm{659}}^1\times {\mathrm{7927489}}^1$

素因数の和:7928159

約数の個数: 32

約数和(自身を含む): 470892906000

約数和(自身を除く): 261924295960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 659, 1318, 2636, 3295, 5272, 6590, 13180, 26360, 7927489, 15854978, 31709956, 39637445, 63419912, 79274890, 158549780, 317099560, 5224215251, 10448430502, 20896861004, 26121076255, 41793722008, 52242152510, 104484305020, 208968610040]

約数ペア:

[(1, 208968610040), (2, 104484305020), (4, 52242152510), (5, 41793722008), (8, 26121076255), (10, 20896861004), (20, 10448430502), (40, 5224215251), (659, 317099560), (1318, 158549780), (2636, 79274890), (3295, 63419912), (5272, 39637445), (6590, 31709956), (13180, 15854978), (26360, 7927489)]