12791380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{91367}}^1$

素因数の和:91383

約数の個数: 24

約数和(自身を含む): 30699648

約数和(自身を除く): 17908268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 91367, 182734, 365468, 456835, 639569, 913670, 1279138, 1827340, 2558276, 3197845, 6395690, 12791380]

約数ペア:

[(1, 12791380), (2, 6395690), (4, 3197845), (5, 2558276), (7, 1827340), (10, 1279138), (14, 913670), (20, 639569), (28, 456835), (35, 365468), (70, 182734), (140, 91367)]