80264020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{174487}}^1$

素因数の和:174519

約数の個数: 24

約数和(自身を含む): 175883904

約数和(自身を除く): 95619884

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 174487, 348974, 697948, 872435, 1744870, 3489740, 4013201, 8026402, 16052804, 20066005, 40132010, 80264020]

約数ペア:

[(1, 80264020), (2, 40132010), (4, 20066005), (5, 16052804), (10, 8026402), (20, 4013201), (23, 3489740), (46, 1744870), (92, 872435), (115, 697948), (230, 348974), (460, 174487)]