520018537975

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{78889}}^1$

素因数の和:79108

約数の個数: 48

約数和(自身を含む): 677917548000

約数和(自身を除く): 157899010025

約数列:

[1, 5, 25, 41, 59, 109, 205, 295, 545, 1025, 1475, 2419, 2725, 4469, 6431, 12095, 22345, 32155, 60475, 78889, 111725, 160775, 263671, 394445, 1318355, 1972225, 3234449, 4654451, 6591775, 8598901, 16172245, 23272255, 42994505, 80861225, 116361275, 190832491, 214972525, 352554941, 507335159, 954162455, 1762774705, 2536675795, 4770812275, 8813873525, 12683378975, 20800741519, 104003707595, 520018537975]

約数ペア:

[(1, 520018537975), (5, 104003707595), (25, 20800741519), (41, 12683378975), (59, 8813873525), (109, 4770812275), (205, 2536675795), (295, 1762774705), (545, 954162455), (1025, 507335159), (1475, 352554941), (2419, 214972525), (2725, 190832491), (4469, 116361275), (6431, 80861225), (12095, 42994505), (22345, 23272255), (32155, 16172245), (60475, 8598901), (78889, 6591775), (111725, 4654451), (160775, 3234449), (263671, 1972225), (394445, 1318355)]