40173620

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{4091}}^1$

素因数の和:4591

約数の個数: 24

約数和(自身を含む): 84557088

約数和(自身を除く): 44383468

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2455, 4091, 4910, 8182, 9820, 16364, 20455, 40910, 81820, 2008681, 4017362, 8034724, 10043405, 20086810, 40173620]

約数ペア:

[(1, 40173620), (2, 20086810), (4, 10043405), (5, 8034724), (10, 4017362), (20, 2008681), (491, 81820), (982, 40910), (1964, 20455), (2455, 16364), (4091, 9820), (4910, 8182)]