85609820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{225289}}^1$

素因数の和:225317

約数の個数: 24

約数和(自身を含む): 189243600

約数和(自身を除く): 103633780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 225289, 450578, 901156, 1126445, 2252890, 4280491, 4505780, 8560982, 17121964, 21402455, 42804910, 85609820]

約数ペア:

[(1, 85609820), (2, 42804910), (4, 21402455), (5, 17121964), (10, 8560982), (19, 4505780), (20, 4280491), (38, 2252890), (76, 1126445), (95, 901156), (190, 450578), (380, 225289)]