12912280

素因数分解:

$2^3\times 5^1\times {\mathrm{322807}}^1$

素因数の和:322818

約数の個数: 16

約数和(自身を含む): 29052720

約数和(自身を除く): 16140440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 322807, 645614, 1291228, 1614035, 2582456, 3228070, 6456140, 12912280]

約数ペア:

[(1, 12912280), (2, 6456140), (4, 3228070), (5, 2582456), (8, 1614035), (10, 1291228), (20, 645614), (40, 322807)]