2021996360

素因数分解:

$2^3\times 5^1\times {\mathrm{50549909}}^1$

素因数の和:50549920

約数の個数: 16

約数和(自身を含む): 4549491900

約数和(自身を除く): 2527495540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 50549909, 101099818, 202199636, 252749545, 404399272, 505499090, 1010998180, 2021996360]

約数ペア:

[(1, 2021996360), (2, 1010998180), (4, 505499090), (5, 404399272), (8, 252749545), (10, 202199636), (20, 101099818), (40, 50549909)]