85808900

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{20929}}^1$

素因数の和:20984

約数の個数: 36

約数和(自身を含む): 190756020

約数和(自身を除く): 104947120

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 4100, 20929, 41858, 83716, 104645, 209290, 418580, 523225, 858089, 1046450, 1716178, 2092900, 3432356, 4290445, 8580890, 17161780, 21452225, 42904450, 85808900]

約数ペア:

[(1, 85808900), (2, 42904450), (4, 21452225), (5, 17161780), (10, 8580890), (20, 4290445), (25, 3432356), (41, 2092900), (50, 1716178), (82, 1046450), (100, 858089), (164, 523225), (205, 418580), (410, 209290), (820, 104645), (1025, 83716), (2050, 41858), (4100, 20929)]