156959780

素因数分解:

$2^2\times 5^1\times {\mathrm{1291}}^1\times {\mathrm{6079}}^1$

素因数の和:7379

約数の個数: 24

約数和(自身を含む): 329925120

約数和(自身を除く): 172965340

約数列:

[1, 2, 4, 5, 10, 20, 1291, 2582, 5164, 6079, 6455, 12158, 12910, 24316, 25820, 30395, 60790, 121580, 7847989, 15695978, 31391956, 39239945, 78479890, 156959780]

約数ペア:

[(1, 156959780), (2, 78479890), (4, 39239945), (5, 31391956), (10, 15695978), (20, 7847989), (1291, 121580), (2582, 60790), (5164, 30395), (6079, 25820), (6455, 24316), (12158, 12910)]