201851920

素因数分解:

$2^4\times 5^1\times {\mathrm{2523149}}^1$

素因数の和:2523162

約数の個数: 20

約数和(自身を含む): 469305900

約数和(自身を除く): 267453980

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2523149, 5046298, 10092596, 12615745, 20185192, 25231490, 40370384, 50462980, 100925960, 201851920]

約数ペア:

[(1, 201851920), (2, 100925960), (4, 50462980), (5, 40370384), (8, 25231490), (10, 20185192), (16, 12615745), (20, 10092596), (40, 5046298), (80, 2523149)]