42688720

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{4987}}^1$

素因数の和:5107

約数の個数: 40

約数和(自身を含む): 100198944

約数和(自身を除く): 57510224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1712, 2140, 4280, 4987, 8560, 9974, 19948, 24935, 39896, 49870, 79792, 99740, 199480, 398960, 533609, 1067218, 2134436, 2668045, 4268872, 5336090, 8537744, 10672180, 21344360, 42688720]

約数ペア:

[(1, 42688720), (2, 21344360), (4, 10672180), (5, 8537744), (8, 5336090), (10, 4268872), (16, 2668045), (20, 2134436), (40, 1067218), (80, 533609), (107, 398960), (214, 199480), (428, 99740), (535, 79792), (856, 49870), (1070, 39896), (1712, 24935), (2140, 19948), (4280, 9974), (4987, 8560)]