825820

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{263}}^1$

素因数の和:429

約数の個数: 24

約数和(自身を含む): 1751904

約数和(自身を除く): 926084

約数列:

[1, 2, 4, 5, 10, 20, 157, 263, 314, 526, 628, 785, 1052, 1315, 1570, 2630, 3140, 5260, 41291, 82582, 165164, 206455, 412910, 825820]

約数ペア:

[(1, 825820), (2, 412910), (4, 206455), (5, 165164), (10, 82582), (20, 41291), (157, 5260), (263, 3140), (314, 2630), (526, 1570), (628, 1315), (785, 1052)]