40020004

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{4831}}^1$

素因数の和:4963

約数の個数: 24

約数和(自身を含む): 74412800

約数和(自身を除く): 34392796

約数列:

[1, 2, 4, 19, 38, 76, 109, 218, 436, 2071, 4142, 4831, 8284, 9662, 19324, 91789, 183578, 367156, 526579, 1053158, 2106316, 10005001, 20010002, 40020004]

約数ペア:

[(1, 40020004), (2, 20010002), (4, 10005001), (19, 2106316), (38, 1053158), (76, 526579), (109, 367156), (218, 183578), (436, 91789), (2071, 19324), (4142, 9662), (4831, 8284)]