90015620

素因数分解:

$2^2\times 5^1\times {\mathrm{1033}}^1\times {\mathrm{4357}}^1$

素因数の和:5399

約数の個数: 24

約数和(自身を含む): 189259224

約数和(自身を除く): 99243604

約数列:

[1, 2, 4, 5, 10, 20, 1033, 2066, 4132, 4357, 5165, 8714, 10330, 17428, 20660, 21785, 43570, 87140, 4500781, 9001562, 18003124, 22503905, 45007810, 90015620]

約数ペア:

[(1, 90015620), (2, 45007810), (4, 22503905), (5, 18003124), (10, 9001562), (20, 4500781), (1033, 87140), (2066, 43570), (4132, 21785), (4357, 20660), (5165, 17428), (8714, 10330)]