89340410

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{21221}}^1$

素因数の和:21649

約数の個数: 16

約数和(自身を含む): 161202312

約数和(自身を除く): 71861902

約数列:

[1, 2, 5, 10, 421, 842, 2105, 4210, 21221, 42442, 106105, 212210, 8934041, 17868082, 44670205, 89340410]

約数ペア:

[(1, 89340410), (2, 44670205), (5, 17868082), (10, 8934041), (421, 212210), (842, 106105), (2105, 42442), (4210, 21221)]