55987240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{277}}^1$

素因数の和:482

約数の個数: 64

約数和(自身を含む): 131304960

約数和(自身を除く): 75317720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 163, 248, 277, 310, 326, 554, 620, 652, 815, 1108, 1240, 1304, 1385, 1630, 2216, 2770, 3260, 5053, 5540, 6520, 8587, 10106, 11080, 17174, 20212, 25265, 34348, 40424, 42935, 45151, 50530, 68696, 85870, 90302, 101060, 171740, 180604, 202120, 225755, 343480, 361208, 451510, 903020, 1399681, 1806040, 2799362, 5598724, 6998405, 11197448, 13996810, 27993620, 55987240]

約数ペア:

[(1, 55987240), (2, 27993620), (4, 13996810), (5, 11197448), (8, 6998405), (10, 5598724), (20, 2799362), (31, 1806040), (40, 1399681), (62, 903020), (124, 451510), (155, 361208), (163, 343480), (248, 225755), (277, 202120), (310, 180604), (326, 171740), (554, 101060), (620, 90302), (652, 85870), (815, 68696), (1108, 50530), (1240, 45151), (1304, 42935), (1385, 40424), (1630, 34348), (2216, 25265), (2770, 20212), (3260, 17174), (5053, 11080), (5540, 10106), (6520, 8587)]