210008090920

素因数分解:

$2^3\times 5^1\times {\mathrm{5250202273}}^1$

素因数の和:5250202284

約数の個数: 16

約数和(自身を含む): 472518204660

約数和(自身を除く): 262510113740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5250202273, 10500404546, 21000809092, 26251011365, 42001618184, 52502022730, 105004045460, 210008090920]

約数ペア:

[(1, 210008090920), (2, 105004045460), (4, 52502022730), (5, 42001618184), (8, 26251011365), (10, 21000809092), (20, 10500404546), (40, 5250202273)]