40876540

素因数分解:

$2^2\times 5^1\times {\mathrm{1229}}^1\times {\mathrm{1663}}^1$

素因数の和:2901

約数の個数: 24

約数和(自身を含む): 85962240

約数和(自身を除く): 45085700

約数列:

[1, 2, 4, 5, 10, 20, 1229, 1663, 2458, 3326, 4916, 6145, 6652, 8315, 12290, 16630, 24580, 33260, 2043827, 4087654, 8175308, 10219135, 20438270, 40876540]

約数ペア:

[(1, 40876540), (2, 20438270), (4, 10219135), (5, 8175308), (10, 4087654), (20, 2043827), (1229, 33260), (1663, 24580), (2458, 16630), (3326, 12290), (4916, 8315), (6145, 6652)]