201611920

素因数分解:

$2^4\times 5^1\times {\mathrm{2520149}}^1$

素因数の和:2520162

約数の個数: 20

約数和(自身を含む): 468747900

約数和(自身を除く): 267135980

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2520149, 5040298, 10080596, 12600745, 20161192, 25201490, 40322384, 50402980, 100805960, 201611920]

約数ペア:

[(1, 201611920), (2, 100805960), (4, 50402980), (5, 40322384), (8, 25201490), (10, 20161192), (16, 12600745), (20, 10080596), (40, 5040298), (80, 2520149)]