82720010

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{81901}}^1$

素因数の和:82009

約数の個数: 16

約数和(自身を含む): 150372072

約数和(自身を除く): 67652062

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 81901, 163802, 409505, 819010, 8272001, 16544002, 41360005, 82720010]

約数ペア:

[(1, 82720010), (2, 41360005), (5, 16544002), (10, 8272001), (101, 819010), (202, 409505), (505, 163802), (1010, 81901)]