42789580

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{5231}}^1$

素因数の和:5649

約数の個数: 24

約数和(自身を含む): 90095040

約数和(自身を除く): 47305460

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 4090, 5231, 8180, 10462, 20924, 26155, 52310, 104620, 2139479, 4278958, 8557916, 10697395, 21394790, 42789580]

約数ペア:

[(1, 42789580), (2, 21394790), (4, 10697395), (5, 8557916), (10, 4278958), (20, 2139479), (409, 104620), (818, 52310), (1636, 26155), (2045, 20924), (4090, 10462), (5231, 8180)]