130020320

素因数分解:

$2^5\times 5^1\times {\mathrm{812627}}^1$

素因数の和:812642

約数の個数: 24

約数和(自身を含む): 307173384

約数和(自身を除く): 177153064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 812627, 1625254, 3250508, 4063135, 6501016, 8126270, 13002032, 16252540, 26004064, 32505080, 65010160, 130020320]

約数ペア:

[(1, 130020320), (2, 65010160), (4, 32505080), (5, 26004064), (8, 16252540), (10, 13002032), (16, 8126270), (20, 6501016), (32, 4063135), (40, 3250508), (80, 1625254), (160, 812627)]