206862140

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{102407}}^1$

素因数の和:102517

約数の個数: 24

約数和(自身を含む): 438715872

約数和(自身を除く): 231853732

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 102407, 204814, 409628, 512035, 1024070, 2048140, 10343107, 20686214, 41372428, 51715535, 103431070, 206862140]

約数ペア:

[(1, 206862140), (2, 103431070), (4, 51715535), (5, 41372428), (10, 20686214), (20, 10343107), (101, 2048140), (202, 1024070), (404, 512035), (505, 409628), (1010, 204814), (2020, 102407)]