89972420

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{13591}}^1$

素因数の和:13931

約数の個数: 24

約数和(自身を含む): 189526848

約数和(自身を除く): 99554428

約数列:

[1, 2, 4, 5, 10, 20, 331, 662, 1324, 1655, 3310, 6620, 13591, 27182, 54364, 67955, 135910, 271820, 4498621, 8997242, 17994484, 22493105, 44986210, 89972420]

約数ペア:

[(1, 89972420), (2, 44986210), (4, 22493105), (5, 17994484), (10, 8997242), (20, 4498621), (331, 271820), (662, 135910), (1324, 67955), (1655, 54364), (3310, 27182), (6620, 13591)]