1251863420

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{127481}}^1$

素因数の和:127981

約数の個数: 24

約数和(自身を含む): 2634288048

約数和(自身を除く): 1382424628

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2455, 4910, 9820, 127481, 254962, 509924, 637405, 1274810, 2549620, 62593171, 125186342, 250372684, 312965855, 625931710, 1251863420]

約数ペア:

[(1, 1251863420), (2, 625931710), (4, 312965855), (5, 250372684), (10, 125186342), (20, 62593171), (491, 2549620), (982, 1274810), (1964, 637405), (2455, 509924), (4910, 254962), (9820, 127481)]