70817380

素因数分解:

$2^2\times 5^1\times {\mathrm{1399}}^1\times {\mathrm{2531}}^1$

素因数の和:3939

約数の個数: 24

約数和(自身を含む): 148881600

約数和(自身を除く): 78064220

約数列:

[1, 2, 4, 5, 10, 20, 1399, 2531, 2798, 5062, 5596, 6995, 10124, 12655, 13990, 25310, 27980, 50620, 3540869, 7081738, 14163476, 17704345, 35408690, 70817380]

約数ペア:

[(1, 70817380), (2, 35408690), (4, 17704345), (5, 14163476), (10, 7081738), (20, 3540869), (1399, 50620), (2531, 27980), (2798, 25310), (5062, 13990), (5596, 12655), (6995, 10124)]