70012820

素因数分解:

$2^2\times 5^1\times {\mathrm{1871}}^2$

素因数の和:3751

約数の個数: 18

約数和(自身を含む): 147105546

約数和(自身を除く): 77092726

約数列:

[1, 2, 4, 5, 10, 20, 1871, 3742, 7484, 9355, 18710, 37420, 3500641, 7001282, 14002564, 17503205, 35006410, 70012820]

約数ペア:

[(1, 70012820), (2, 35006410), (4, 17503205), (5, 14002564), (10, 7001282), (20, 3500641), (1871, 37420), (3742, 18710), (7484, 9355)]