40825915

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{20261}}^1$

素因数の和:20310

約数の個数: 16

約数和(自身を含む): 54464256

約数和(自身を除く): 13638341

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 20261, 101305, 263393, 628091, 1316965, 3140455, 8165183, 40825915]

約数ペア:

[(1, 40825915), (5, 8165183), (13, 3140455), (31, 1316965), (65, 628091), (155, 263393), (403, 101305), (2015, 20261)]