40389838

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{15889}}^1$

素因数の和:15963

約数の個数: 16

約数和(自身を含む): 64068480

約数和(自身を除く): 23678642

約数列:

[1, 2, 31, 41, 62, 82, 1271, 2542, 15889, 31778, 492559, 651449, 985118, 1302898, 20194919, 40389838]

約数ペア:

[(1, 40389838), (2, 20194919), (31, 1302898), (41, 985118), (62, 651449), (82, 492559), (1271, 31778), (2542, 15889)]