1881608020

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{718171}}^1$

素因数の和:718311

約数の個数: 24

約数和(自身を含む): 3981545568

約数和(自身を除く): 2099937548

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 718171, 1436342, 2872684, 3590855, 7181710, 14363420, 94080401, 188160802, 376321604, 470402005, 940804010, 1881608020]

約数ペア:

[(1, 1881608020), (2, 940804010), (4, 470402005), (5, 376321604), (10, 188160802), (20, 94080401), (131, 14363420), (262, 7181710), (524, 3590855), (655, 2872684), (1310, 1436342), (2620, 718171)]