51021820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{110917}}^1$

素因数の和:110949

約数の個数: 24

約数和(自身を含む): 111805344

約数和(自身を除く): 60783524

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 110917, 221834, 443668, 554585, 1109170, 2218340, 2551091, 5102182, 10204364, 12755455, 25510910, 51021820]

約数ペア:

[(1, 51021820), (2, 25510910), (4, 12755455), (5, 10204364), (10, 5102182), (20, 2551091), (23, 2218340), (46, 1109170), (92, 554585), (115, 443668), (230, 221834), (460, 110917)]