80450540

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{39827}}^1$

素因数の和:39937

約数の個数: 24

約数和(自身を含む): 170623152

約数和(自身を除く): 90172612

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 39827, 79654, 159308, 199135, 398270, 796540, 4022527, 8045054, 16090108, 20112635, 40225270, 80450540]

約数ペア:

[(1, 80450540), (2, 40225270), (4, 20112635), (5, 16090108), (10, 8045054), (20, 4022527), (101, 796540), (202, 398270), (404, 199135), (505, 159308), (1010, 79654), (2020, 39827)]