56840290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{15077}}^1$

素因数の和:15126

約数の個数: 32

約数和(自身を含む): 113989680

約数和(自身を除く): 57149390

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 15077, 30154, 75385, 150770, 196001, 392002, 437233, 874466, 980005, 1960010, 2186165, 4372330, 5684029, 11368058, 28420145, 56840290]

約数ペア:

[(1, 56840290), (2, 28420145), (5, 11368058), (10, 5684029), (13, 4372330), (26, 2186165), (29, 1960010), (58, 980005), (65, 874466), (130, 437233), (145, 392002), (290, 196001), (377, 150770), (754, 75385), (1885, 30154), (3770, 15077)]