8397140

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4157}}^1$

素因数の和:4267

約数の個数: 24

約数和(自身を含む): 17812872

約数和(自身を除く): 9415732

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 4157, 8314, 16628, 20785, 41570, 83140, 419857, 839714, 1679428, 2099285, 4198570, 8397140]

約数ペア:

[(1, 8397140), (2, 4198570), (4, 2099285), (5, 1679428), (10, 839714), (20, 419857), (101, 83140), (202, 41570), (404, 20785), (505, 16628), (1010, 8314), (2020, 4157)]