7968740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{30649}}^1$

素因数の和:30671

約数の個数: 24

約数和(自身を含む): 18022200

約数和(自身を除く): 10053460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 30649, 61298, 122596, 153245, 306490, 398437, 612980, 796874, 1593748, 1992185, 3984370, 7968740]

約数ペア:

[(1, 7968740), (2, 3984370), (4, 1992185), (5, 1593748), (10, 796874), (13, 612980), (20, 398437), (26, 306490), (52, 153245), (65, 122596), (130, 61298), (260, 30649)]