2155660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8291}}^1$

素因数の和:8313

約数の個数: 24

約数和(自身を含む): 4875696

約数和(自身を除く): 2720036

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 8291, 16582, 33164, 41455, 82910, 107783, 165820, 215566, 431132, 538915, 1077830, 2155660]

約数ペア:

[(1, 2155660), (2, 1077830), (4, 538915), (5, 431132), (10, 215566), (13, 165820), (20, 107783), (26, 82910), (52, 41455), (65, 33164), (130, 16582), (260, 8291)]