12665240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{45233}}^1$

素因数の和:45251

約数の個数: 32

約数和(自身を含む): 32568480

約数和(自身を除く): 19903240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 45233, 90466, 180932, 226165, 316631, 361864, 452330, 633262, 904660, 1266524, 1583155, 1809320, 2533048, 3166310, 6332620, 12665240]

約数ペア:

[(1, 12665240), (2, 6332620), (4, 3166310), (5, 2533048), (7, 1809320), (8, 1583155), (10, 1266524), (14, 904660), (20, 633262), (28, 452330), (35, 361864), (40, 316631), (56, 226165), (70, 180932), (140, 90466), (280, 45233)]