90749020

素因数分解:

$2^2\times 5^1\times {\mathrm{1129}}^1\times {\mathrm{4019}}^1$

素因数の和:5157

約数の個数: 24

約数和(自身を含む): 190789200

約数和(自身を除く): 100040180

約数列:

[1, 2, 4, 5, 10, 20, 1129, 2258, 4019, 4516, 5645, 8038, 11290, 16076, 20095, 22580, 40190, 80380, 4537451, 9074902, 18149804, 22687255, 45374510, 90749020]

約数ペア:

[(1, 90749020), (2, 45374510), (4, 22687255), (5, 18149804), (10, 9074902), (20, 4537451), (1129, 80380), (2258, 40190), (4019, 22580), (4516, 20095), (5645, 16076), (8038, 11290)]