858573620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1047041}}^1$

素因数の和:1047091

約数の個数: 24

約数和(自身を含む): 1846982088

約数和(自身を除く): 988408468

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 1047041, 2094082, 4188164, 5235205, 10470410, 20940820, 42928681, 85857362, 171714724, 214643405, 429286810, 858573620]

約数ペア:

[(1, 858573620), (2, 429286810), (4, 214643405), (5, 171714724), (10, 85857362), (20, 42928681), (41, 20940820), (82, 10470410), (164, 5235205), (205, 4188164), (410, 2094082), (820, 1047041)]