12506680

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1637}}^1$

素因数の和:1839

約数の個数: 32

約数和(自身を含む): 28304640

約数和(自身を除く): 15797960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1637, 1910, 3274, 3820, 6548, 7640, 8185, 13096, 16370, 32740, 65480, 312667, 625334, 1250668, 1563335, 2501336, 3126670, 6253340, 12506680]

約数ペア:

[(1, 12506680), (2, 6253340), (4, 3126670), (5, 2501336), (8, 1563335), (10, 1250668), (20, 625334), (40, 312667), (191, 65480), (382, 32740), (764, 16370), (955, 13096), (1528, 8185), (1637, 7640), (1910, 6548), (3274, 3820)]