40418885

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1543}}^1$

素因数の和:1605

約数の個数: 24

約数和(自身を含む): 54249984

約数和(自身を除く): 13831099

約数列:

[1, 5, 13, 31, 65, 155, 169, 403, 845, 1543, 2015, 5239, 7715, 20059, 26195, 47833, 100295, 239165, 260767, 621829, 1303835, 3109145, 8083777, 40418885]

約数ペア:

[(1, 40418885), (5, 8083777), (13, 3109145), (31, 1303835), (65, 621829), (155, 260767), (169, 239165), (403, 100295), (845, 47833), (1543, 26195), (2015, 20059), (5239, 7715)]