31428820

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{8779}}^1$

素因数の和:8967

約数の個数: 24

約数和(自身を含む): 66376800

約数和(自身を除く): 34947980

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 8779, 17558, 35116, 43895, 87790, 175580, 1571441, 3142882, 6285764, 7857205, 15714410, 31428820]

約数ペア:

[(1, 31428820), (2, 15714410), (4, 7857205), (5, 6285764), (10, 3142882), (20, 1571441), (179, 175580), (358, 87790), (716, 43895), (895, 35116), (1790, 17558), (3580, 8779)]