88144720

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{10909}}^1$

素因数の和:11023

約数の個数: 40

約数和(自身を含む): 206984520

約数和(自身を除く): 118839800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 8080, 10909, 21818, 43636, 54545, 87272, 109090, 174544, 218180, 436360, 872720, 1101809, 2203618, 4407236, 5509045, 8814472, 11018090, 17628944, 22036180, 44072360, 88144720]

約数ペア:

[(1, 88144720), (2, 44072360), (4, 22036180), (5, 17628944), (8, 11018090), (10, 8814472), (16, 5509045), (20, 4407236), (40, 2203618), (80, 1101809), (101, 872720), (202, 436360), (404, 218180), (505, 174544), (808, 109090), (1010, 87272), (1616, 54545), (2020, 43636), (4040, 21818), (8080, 10909)]