631980620

素因数分解:

$2^2\times 5^1\times {\mathrm{3041}}^1\times {\mathrm{10391}}^1$

素因数の和:13441

約数の個数: 24

約数和(自身を含む): 1327723488

約数和(自身を除く): 695742868

約数列:

[1, 2, 4, 5, 10, 20, 3041, 6082, 10391, 12164, 15205, 20782, 30410, 41564, 51955, 60820, 103910, 207820, 31599031, 63198062, 126396124, 157995155, 315990310, 631980620]

約数ペア:

[(1, 631980620), (2, 315990310), (4, 157995155), (5, 126396124), (10, 63198062), (20, 31599031), (3041, 207820), (6082, 103910), (10391, 60820), (12164, 51955), (15205, 41564), (20782, 30410)]