31334320

素因数分解:

$2^4\times 5^1\times {\mathrm{391679}}^1$

素因数の和:391692

約数の個数: 20

約数和(自身を含む): 72852480

約数和(自身を除く): 41518160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 391679, 783358, 1566716, 1958395, 3133432, 3916790, 6266864, 7833580, 15667160, 31334320]

約数ペア:

[(1, 31334320), (2, 15667160), (4, 7833580), (5, 6266864), (8, 3916790), (10, 3133432), (16, 1958395), (20, 1566716), (40, 783358), (80, 391679)]