90656620

素因数分解:

$2^2\times 5^1\times {\mathrm{4532831}}^1$

素因数の和:4532840

約数の個数: 12

約数和(自身を含む): 190378944

約数和(自身を除く): 99722324

約数列:

[1, 2, 4, 5, 10, 20, 4532831, 9065662, 18131324, 22664155, 45328310, 90656620]

約数ペア:

[(1, 90656620), (2, 45328310), (4, 22664155), (5, 18131324), (10, 9065662), (20, 4532831)]