40213975

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2731}}^1$

素因数の和:2791

約数の個数: 24

約数和(自身を含む): 54202880

約数和(自身を除く): 13988905

約数列:

[1, 5, 19, 25, 31, 95, 155, 475, 589, 775, 2731, 2945, 13655, 14725, 51889, 68275, 84661, 259445, 423305, 1297225, 1608559, 2116525, 8042795, 40213975]

約数ペア:

[(1, 40213975), (5, 8042795), (19, 2116525), (25, 1608559), (31, 1297225), (95, 423305), (155, 259445), (475, 84661), (589, 68275), (775, 51889), (2731, 14725), (2945, 13655)]