4026980

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{887}}^1$

素因数の和:1123

約数の個数: 24

約数和(自身を含む): 8503488

約数和(自身を除く): 4476508

約数列:

[1, 2, 4, 5, 10, 20, 227, 454, 887, 908, 1135, 1774, 2270, 3548, 4435, 4540, 8870, 17740, 201349, 402698, 805396, 1006745, 2013490, 4026980]

約数ペア:

[(1, 4026980), (2, 2013490), (4, 1006745), (5, 805396), (10, 402698), (20, 201349), (227, 17740), (454, 8870), (887, 4540), (908, 4435), (1135, 3548), (1774, 2270)]