31002320

素因数分解:

$2^4\times 5^1\times {\mathrm{387529}}^1$

素因数の和:387542

約数の個数: 20

約数和(自身を含む): 72080580

約数和(自身を除く): 41078260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 387529, 775058, 1550116, 1937645, 3100232, 3875290, 6200464, 7750580, 15501160, 31002320]

約数ペア:

[(1, 31002320), (2, 15501160), (4, 7750580), (5, 6200464), (8, 3875290), (10, 3100232), (16, 1937645), (20, 1550116), (40, 775058), (80, 387529)]