91010320

素因数分解:

$2^4\times 5^1\times {\mathrm{1137629}}^1$

素因数の和:1137642

約数の個数: 20

約数和(自身を含む): 211599180

約数和(自身を除く): 120588860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1137629, 2275258, 4550516, 5688145, 9101032, 11376290, 18202064, 22752580, 45505160, 91010320]

約数ペア:

[(1, 91010320), (2, 45505160), (4, 22752580), (5, 18202064), (8, 11376290), (10, 9101032), (16, 5688145), (20, 4550516), (40, 2275258), (80, 1137629)]