89577940

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{21227}}^1$

素因数の和:21447

約数の個数: 24

約数和(自身を含む): 189014112

約数和(自身を除く): 99436172

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 21227, 42454, 84908, 106135, 212270, 424540, 4478897, 8957794, 17915588, 22394485, 44788970, 89577940]

約数ペア:

[(1, 89577940), (2, 44788970), (4, 22394485), (5, 17915588), (10, 8957794), (20, 4478897), (211, 424540), (422, 212270), (844, 106135), (1055, 84908), (2110, 42454), (4220, 21227)]