12794360

素因数分解:

$2^3\times 5^1\times {\mathrm{499}}^1\times {\mathrm{641}}^1$

素因数の和:1151

約数の個数: 32

約数和(自身を含む): 28890000

約数和(自身を除く): 16095640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 499, 641, 998, 1282, 1996, 2495, 2564, 3205, 3992, 4990, 5128, 6410, 9980, 12820, 19960, 25640, 319859, 639718, 1279436, 1599295, 2558872, 3198590, 6397180, 12794360]

約数ペア:

[(1, 12794360), (2, 6397180), (4, 3198590), (5, 2558872), (8, 1599295), (10, 1279436), (20, 639718), (40, 319859), (499, 25640), (641, 19960), (998, 12820), (1282, 9980), (1996, 6410), (2495, 5128), (2564, 4990), (3205, 3992)]