3956020

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{887}}^1$

素因数の和:1119

約数の個数: 24

約数和(自身を含む): 8354304

約数和(自身を除く): 4398284

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 887, 892, 1115, 1774, 2230, 3548, 4435, 4460, 8870, 17740, 197801, 395602, 791204, 989005, 1978010, 3956020]

約数ペア:

[(1, 3956020), (2, 1978010), (4, 989005), (5, 791204), (10, 395602), (20, 197801), (223, 17740), (446, 8870), (887, 4460), (892, 4435), (1115, 3548), (1774, 2230)]