864620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2543}}^1$

素因数の和:2569

約数の個数: 24

約数和(自身を含む): 1923264

約数和(自身を除く): 1058644

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 2543, 5086, 10172, 12715, 25430, 43231, 50860, 86462, 172924, 216155, 432310, 864620]

約数ペア:

[(1, 864620), (2, 432310), (4, 216155), (5, 172924), (10, 86462), (17, 50860), (20, 43231), (34, 25430), (68, 12715), (85, 10172), (170, 5086), (340, 2543)]