90549640

素因数分解:

$2^3\times 5^1\times {\mathrm{2263741}}^1$

素因数の和:2263752

約数の個数: 16

約数和(自身を含む): 203736780

約数和(自身を除く): 113187140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2263741, 4527482, 9054964, 11318705, 18109928, 22637410, 45274820, 90549640]

約数ペア:

[(1, 90549640), (2, 45274820), (4, 22637410), (5, 18109928), (8, 11318705), (10, 9054964), (20, 4527482), (40, 2263741)]