89971660

素因数分解:

$2^2\times 5^1\times {\mathrm{859}}^1\times {\mathrm{5237}}^1$

素因数の和:6105

約数の個数: 24

約数和(自身を含む): 189196560

約数和(自身を除く): 99224900

約数列:

[1, 2, 4, 5, 10, 20, 859, 1718, 3436, 4295, 5237, 8590, 10474, 17180, 20948, 26185, 52370, 104740, 4498583, 8997166, 17994332, 22492915, 44985830, 89971660]

約数ペア:

[(1, 89971660), (2, 44985830), (4, 22492915), (5, 17994332), (10, 8997166), (20, 4498583), (859, 104740), (1718, 52370), (3436, 26185), (4295, 20948), (5237, 17180), (8590, 10474)]