129870560

素因数分解:

$2^5\times 5^1\times {\mathrm{811691}}^1$

素因数の和:811706

約数の個数: 24

約数和(自身を含む): 306819576

約数和(自身を除く): 176949016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 811691, 1623382, 3246764, 4058455, 6493528, 8116910, 12987056, 16233820, 25974112, 32467640, 64935280, 129870560]

約数ペア:

[(1, 129870560), (2, 64935280), (4, 32467640), (5, 25974112), (8, 16233820), (10, 12987056), (16, 8116910), (20, 6493528), (32, 4058455), (40, 3246764), (80, 1623382), (160, 811691)]