16178180

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{8009}}^1$

素因数の和:8119

約数の個数: 24

約数和(自身を含む): 34314840

約数和(自身を除く): 18136660

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 8009, 16018, 32036, 40045, 80090, 160180, 808909, 1617818, 3235636, 4044545, 8089090, 16178180]

約数ペア:

[(1, 16178180), (2, 8089090), (4, 4044545), (5, 3235636), (10, 1617818), (20, 808909), (101, 160180), (202, 80090), (404, 40045), (505, 32036), (1010, 16018), (2020, 8009)]