89070970

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{21157}}^1$

素因数の和:21585

約数の個数: 16

約数和(自身を含む): 160716168

約数和(自身を除く): 71645198

約数列:

[1, 2, 5, 10, 421, 842, 2105, 4210, 21157, 42314, 105785, 211570, 8907097, 17814194, 44535485, 89070970]

約数ペア:

[(1, 89070970), (2, 44535485), (5, 17814194), (10, 8907097), (421, 211570), (842, 105785), (2105, 42314), (4210, 21157)]