177202420

素因数分解:

$2^2\times 5^1\times {\mathrm{8860121}}^1$

素因数の和:8860130

約数の個数: 12

約数和(自身を含む): 372125124

約数和(自身を除く): 194922704

約数列:

[1, 2, 4, 5, 10, 20, 8860121, 17720242, 35440484, 44300605, 88601210, 177202420]

約数ペア:

[(1, 177202420), (2, 88601210), (4, 44300605), (5, 35440484), (10, 17720242), (20, 8860121)]