4020820

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1583}}^1$

素因数の和:1719

約数の個数: 24

約数和(自身を含む): 8515584

約数和(自身を除く): 4494764

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 1583, 2540, 3166, 6332, 7915, 15830, 31660, 201041, 402082, 804164, 1005205, 2010410, 4020820]

約数ペア:

[(1, 4020820), (2, 2010410), (4, 1005205), (5, 804164), (10, 402082), (20, 201041), (127, 31660), (254, 15830), (508, 7915), (635, 6332), (1270, 3166), (1583, 2540)]