85120270

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{21227}}^1$

素因数の和:21635

約数の個数: 16

約数和(自身を含む): 153605808

約数和(自身を除く): 68485538

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 21227, 42454, 106135, 212270, 8512027, 17024054, 42560135, 85120270]

約数ペア:

[(1, 85120270), (2, 42560135), (5, 17024054), (10, 8512027), (401, 212270), (802, 106135), (2005, 42454), (4010, 21227)]