2052080

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{227}}^1$

素因数の和:353

約数の個数: 40

約数和(自身を含む): 4834512

約数和(自身を除く): 2782432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 227, 452, 454, 565, 904, 908, 1130, 1135, 1808, 1816, 2260, 2270, 3632, 4520, 4540, 9040, 9080, 18160, 25651, 51302, 102604, 128255, 205208, 256510, 410416, 513020, 1026040, 2052080]

約数ペア:

[(1, 2052080), (2, 1026040), (4, 513020), (5, 410416), (8, 256510), (10, 205208), (16, 128255), (20, 102604), (40, 51302), (80, 25651), (113, 18160), (226, 9080), (227, 9040), (452, 4540), (454, 4520), (565, 3632), (904, 2270), (908, 2260), (1130, 1816), (1135, 1808)]