291237920

素因数分解:

$2^5\times 5^1\times {\mathrm{1820237}}^1$

素因数の和:1820252

約数の個数: 24

約数和(自身を含む): 688049964

約数和(自身を除く): 396812044

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1820237, 3640474, 7280948, 9101185, 14561896, 18202370, 29123792, 36404740, 58247584, 72809480, 145618960, 291237920]

約数ペア:

[(1, 291237920), (2, 145618960), (4, 72809480), (5, 58247584), (8, 36404740), (10, 29123792), (16, 18202370), (20, 14561896), (32, 9101185), (40, 7280948), (80, 3640474), (160, 1820237)]