12660680

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{1031}}^1$

素因数の和:1349

約数の個数: 32

約数和(自身を含む): 28607040

約数和(自身を除く): 15946360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1031, 1228, 1535, 2062, 2456, 3070, 4124, 5155, 6140, 8248, 10310, 12280, 20620, 41240, 316517, 633034, 1266068, 1582585, 2532136, 3165170, 6330340, 12660680]

約数ペア:

[(1, 12660680), (2, 6330340), (4, 3165170), (5, 2532136), (8, 1582585), (10, 1266068), (20, 633034), (40, 316517), (307, 41240), (614, 20620), (1031, 12280), (1228, 10310), (1535, 8248), (2062, 6140), (2456, 5155), (3070, 4124)]