8047182020

素因数分解:

$2^2\times 5^1\times {\mathrm{613}}^1\times {\mathrm{656377}}^1$

素因数の和:656999

約数の個数: 24

約数和(自身を含む): 16926675864

約数和(自身を除く): 8879493844

約数列:

[1, 2, 4, 5, 10, 20, 613, 1226, 2452, 3065, 6130, 12260, 656377, 1312754, 2625508, 3281885, 6563770, 13127540, 402359101, 804718202, 1609436404, 2011795505, 4023591010, 8047182020]

約数ペア:

[(1, 8047182020), (2, 4023591010), (4, 2011795505), (5, 1609436404), (10, 804718202), (20, 402359101), (613, 13127540), (1226, 6563770), (2452, 3281885), (3065, 2625508), (6130, 1312754), (12260, 656377)]