208031240

素因数分解:

$2^3\times 5^1\times {\mathrm{5200781}}^1$

素因数の和:5200792

約数の個数: 16

約数和(自身を含む): 468070380

約数和(自身を除く): 260039140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5200781, 10401562, 20803124, 26003905, 41606248, 52007810, 104015620, 208031240]

約数ペア:

[(1, 208031240), (2, 104015620), (4, 52007810), (5, 41606248), (8, 26003905), (10, 20803124), (20, 10401562), (40, 5200781)]