31871380

素因数分解:

$2^2\times 5^1\times {\mathrm{1223}}^1\times {\mathrm{1303}}^1$

素因数の和:2535

約数の個数: 24

約数和(自身を含む): 67036032

約数和(自身を除く): 35164652

約数列:

[1, 2, 4, 5, 10, 20, 1223, 1303, 2446, 2606, 4892, 5212, 6115, 6515, 12230, 13030, 24460, 26060, 1593569, 3187138, 6374276, 7967845, 15935690, 31871380]

約数ペア:

[(1, 31871380), (2, 15935690), (4, 7967845), (5, 6374276), (10, 3187138), (20, 1593569), (1223, 26060), (1303, 24460), (2446, 13030), (2606, 12230), (4892, 6515), (5212, 6115)]