80491100

素因数分解:

$2^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{15187}}^1$

素因数の和:15254

約数の個数: 36

約数和(自身を含む): 177972984

約数和(自身を除く): 97481884

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 212, 265, 530, 1060, 1325, 2650, 5300, 15187, 30374, 60748, 75935, 151870, 303740, 379675, 759350, 804911, 1518700, 1609822, 3219644, 4024555, 8049110, 16098220, 20122775, 40245550, 80491100]

約数ペア:

[(1, 80491100), (2, 40245550), (4, 20122775), (5, 16098220), (10, 8049110), (20, 4024555), (25, 3219644), (50, 1609822), (53, 1518700), (100, 804911), (106, 759350), (212, 379675), (265, 303740), (530, 151870), (1060, 75935), (1325, 60748), (2650, 30374), (5300, 15187)]