40992025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{409}}^1$

素因数の和:649

約数の個数: 24

約数和(自身を含む): 53890400

約数和(自身を除く): 12898375

約数列:

[1, 5, 19, 25, 95, 211, 409, 475, 1055, 2045, 4009, 5275, 7771, 10225, 20045, 38855, 86299, 100225, 194275, 431495, 1639681, 2157475, 8198405, 40992025]

約数ペア:

[(1, 40992025), (5, 8198405), (19, 2157475), (25, 1639681), (95, 431495), (211, 194275), (409, 100225), (475, 86299), (1055, 38855), (2045, 20045), (4009, 10225), (5275, 7771)]