31426420

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{3547}}^1$

素因数の和:3999

約数の個数: 24

約数和(自身を含む): 66163104

約数和(自身を除く): 34736684

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1772, 2215, 3547, 4430, 7094, 8860, 14188, 17735, 35470, 70940, 1571321, 3142642, 6285284, 7856605, 15713210, 31426420]

約数ペア:

[(1, 31426420), (2, 15713210), (4, 7856605), (5, 6285284), (10, 3142642), (20, 1571321), (443, 70940), (886, 35470), (1772, 17735), (2215, 14188), (3547, 8860), (4430, 7094)]