170787620

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{40471}}^1$

素因数の和:40691

約数の個数: 24

約数和(自身を含む): 360362688

約数和(自身を除く): 189575068

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 40471, 80942, 161884, 202355, 404710, 809420, 8539381, 17078762, 34157524, 42696905, 85393810, 170787620]

約数ペア:

[(1, 170787620), (2, 85393810), (4, 42696905), (5, 34157524), (10, 17078762), (20, 8539381), (211, 809420), (422, 404710), (844, 202355), (1055, 161884), (2110, 80942), (4220, 40471)]