40640525

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1277}}^1$

素因数の和:1373

約数の個数: 24

約数和(自身を含む): 53880480

約数和(自身を除く): 13239955

約数列:

[1, 5, 19, 25, 67, 95, 335, 475, 1273, 1277, 1675, 6365, 6385, 24263, 31825, 31925, 85559, 121315, 427795, 606575, 1625621, 2138975, 8128105, 40640525]

約数ペア:

[(1, 40640525), (5, 8128105), (19, 2138975), (25, 1625621), (67, 606575), (95, 427795), (335, 121315), (475, 85559), (1273, 31925), (1277, 31825), (1675, 24263), (6365, 6385)]