31312660

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{68071}}^1$

素因数の和:68103

約数の個数: 24

約数和(自身を含む): 68616576

約数和(自身を除く): 37303916

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 68071, 136142, 272284, 340355, 680710, 1361420, 1565633, 3131266, 6262532, 7828165, 15656330, 31312660]

約数ペア:

[(1, 31312660), (2, 15656330), (4, 7828165), (5, 6262532), (10, 3131266), (20, 1565633), (23, 1361420), (46, 680710), (92, 340355), (115, 272284), (230, 136142), (460, 68071)]