15698507920

素因数分解:

$2^4\times 5^1\times {\mathrm{196231349}}^1$

素因数の和:196231362

約数の個数: 20

約数和(自身を含む): 36499031100

約数和(自身を除く): 20800523180

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 196231349, 392462698, 784925396, 981156745, 1569850792, 1962313490, 3139701584, 3924626980, 7849253960, 15698507920]

約数ペア:

[(1, 15698507920), (2, 7849253960), (4, 3924626980), (5, 3139701584), (8, 1962313490), (10, 1569850792), (16, 981156745), (20, 784925396), (40, 392462698), (80, 196231349)]