31282180

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{38149}}^1$

素因数の和:38199

約数の個数: 24

約数和(自身を含む): 67296600

約数和(自身を除く): 36014420

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 38149, 76298, 152596, 190745, 381490, 762980, 1564109, 3128218, 6256436, 7820545, 15641090, 31282180]

約数ペア:

[(1, 31282180), (2, 15641090), (4, 7820545), (5, 6256436), (10, 3128218), (20, 1564109), (41, 762980), (82, 381490), (164, 190745), (205, 152596), (410, 76298), (820, 38149)]