90309620

素因数分解:

$2^2\times 5^1\times {\mathrm{2113}}^1\times {\mathrm{2137}}^1$

素因数の和:4259

約数の個数: 24

約数和(自身を含む): 189828744

約数和(自身を除く): 99519124

約数列:

[1, 2, 4, 5, 10, 20, 2113, 2137, 4226, 4274, 8452, 8548, 10565, 10685, 21130, 21370, 42260, 42740, 4515481, 9030962, 18061924, 22577405, 45154810, 90309620]

約数ペア:

[(1, 90309620), (2, 45154810), (4, 22577405), (5, 18061924), (10, 9030962), (20, 4515481), (2113, 42740), (2137, 42260), (4226, 21370), (4274, 21130), (8452, 10685), (8548, 10565)]