89419240

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{20509}}^1$

素因数の和:20629

約数の個数: 32

約数和(自身を含む): 203049000

約数和(自身を除く): 113629760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 20509, 41018, 82036, 102545, 164072, 205090, 410180, 820360, 2235481, 4470962, 8941924, 11177405, 17883848, 22354810, 44709620, 89419240]

約数ペア:

[(1, 89419240), (2, 44709620), (4, 22354810), (5, 17883848), (8, 11177405), (10, 8941924), (20, 4470962), (40, 2235481), (109, 820360), (218, 410180), (436, 205090), (545, 164072), (872, 102545), (1090, 82036), (2180, 41018), (4360, 20509)]