31874960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{30649}}^1$

素因数の和:30675

約数の個数: 40

約数和(自身を含む): 79812600

約数和(自身を除く): 47937640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 30649, 61298, 122596, 153245, 245192, 306490, 398437, 490384, 612980, 796874, 1225960, 1593748, 1992185, 2451920, 3187496, 3984370, 6374992, 7968740, 15937480, 31874960]

約数ペア:

[(1, 31874960), (2, 15937480), (4, 7968740), (5, 6374992), (8, 3984370), (10, 3187496), (13, 2451920), (16, 1992185), (20, 1593748), (26, 1225960), (40, 796874), (52, 612980), (65, 490384), (80, 398437), (104, 306490), (130, 245192), (208, 153245), (260, 122596), (520, 61298), (1040, 30649)]