9788920

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2423}}^1$

素因数の和:2535

約数の個数: 32

約数和(自身を含む): 22252320

約数和(自身を除く): 12463400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 2423, 4040, 4846, 9692, 12115, 19384, 24230, 48460, 96920, 244723, 489446, 978892, 1223615, 1957784, 2447230, 4894460, 9788920]

約数ペア:

[(1, 9788920), (2, 4894460), (4, 2447230), (5, 1957784), (8, 1223615), (10, 978892), (20, 489446), (40, 244723), (101, 96920), (202, 48460), (404, 24230), (505, 19384), (808, 12115), (1010, 9692), (2020, 4846), (2423, 4040)]