856116280

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{455381}}^1$

素因数の和:455439

約数の個数: 32

約数和(自身を含む): 1967250240

約数和(自身を除く): 1111133960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 455381, 910762, 1821524, 2276905, 3643048, 4553810, 9107620, 18215240, 21402907, 42805814, 85611628, 107014535, 171223256, 214029070, 428058140, 856116280]

約数ペア:

[(1, 856116280), (2, 428058140), (4, 214029070), (5, 171223256), (8, 107014535), (10, 85611628), (20, 42805814), (40, 21402907), (47, 18215240), (94, 9107620), (188, 4553810), (235, 3643048), (376, 2276905), (470, 1821524), (940, 910762), (1880, 455381)]