12659120

素因数分解:

$2^4\times 5^1\times {\mathrm{229}}^1\times {\mathrm{691}}^1$

素因数の和:933

約数の個数: 40

約数和(自身を含む): 29603760

約数和(自身を除く): 16944640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229, 458, 691, 916, 1145, 1382, 1832, 2290, 2764, 3455, 3664, 4580, 5528, 6910, 9160, 11056, 13820, 18320, 27640, 55280, 158239, 316478, 632956, 791195, 1265912, 1582390, 2531824, 3164780, 6329560, 12659120]

約数ペア:

[(1, 12659120), (2, 6329560), (4, 3164780), (5, 2531824), (8, 1582390), (10, 1265912), (16, 791195), (20, 632956), (40, 316478), (80, 158239), (229, 55280), (458, 27640), (691, 18320), (916, 13820), (1145, 11056), (1382, 9160), (1832, 6910), (2290, 5528), (2764, 4580), (3455, 3664)]