12944240

素因数分解:

$2^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{677}}^1$

素因数の和:929

約数の個数: 40

約数和(自身を含む): 30265920

約数和(自身を除く): 17321680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239, 478, 677, 956, 1195, 1354, 1912, 2390, 2708, 3385, 3824, 4780, 5416, 6770, 9560, 10832, 13540, 19120, 27080, 54160, 161803, 323606, 647212, 809015, 1294424, 1618030, 2588848, 3236060, 6472120, 12944240]

約数ペア:

[(1, 12944240), (2, 6472120), (4, 3236060), (5, 2588848), (8, 1618030), (10, 1294424), (16, 809015), (20, 647212), (40, 323606), (80, 161803), (239, 54160), (478, 27080), (677, 19120), (956, 13540), (1195, 10832), (1354, 9560), (1912, 6770), (2390, 5416), (2708, 4780), (3385, 3824)]