12678680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{45281}}^1$

素因数の和:45299

約数の個数: 32

約数和(自身を含む): 32603040

約数和(自身を除く): 19924360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 45281, 90562, 181124, 226405, 316967, 362248, 452810, 633934, 905620, 1267868, 1584835, 1811240, 2535736, 3169670, 6339340, 12678680]

約数ペア:

[(1, 12678680), (2, 6339340), (4, 3169670), (5, 2535736), (7, 1811240), (8, 1584835), (10, 1267868), (14, 905620), (20, 633934), (28, 452810), (35, 362248), (40, 316967), (56, 226405), (70, 181124), (140, 90562), (280, 45281)]