208026760

素因数分解:

$2^3\times 5^1\times {\mathrm{5200669}}^1$

素因数の和:5200680

約数の個数: 16

約数和(自身を含む): 468060300

約数和(自身を除く): 260033540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5200669, 10401338, 20802676, 26003345, 41605352, 52006690, 104013380, 208026760]

約数ペア:

[(1, 208026760), (2, 104013380), (4, 52006690), (5, 41605352), (8, 26003345), (10, 20802676), (20, 10401338), (40, 5200669)]