12547760

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{2341}}^1$

素因数の和:2421

約数の個数: 40

約数和(自身を含む): 29621616

約数和(自身を除く): 17073856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2341, 2680, 4682, 5360, 9364, 11705, 18728, 23410, 37456, 46820, 93640, 156847, 187280, 313694, 627388, 784235, 1254776, 1568470, 2509552, 3136940, 6273880, 12547760]

約数ペア:

[(1, 12547760), (2, 6273880), (4, 3136940), (5, 2509552), (8, 1568470), (10, 1254776), (16, 784235), (20, 627388), (40, 313694), (67, 187280), (80, 156847), (134, 93640), (268, 46820), (335, 37456), (536, 23410), (670, 18728), (1072, 11705), (1340, 9364), (2341, 5360), (2680, 4682)]