990520

素因数分解:

$2^3\times 5^1\times {\mathrm{24763}}^1$

素因数の和:24774

約数の個数: 16

約数和(自身を含む): 2228760

約数和(自身を除く): 1238240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 24763, 49526, 99052, 123815, 198104, 247630, 495260, 990520]

約数ペア:

[(1, 990520), (2, 495260), (4, 247630), (5, 198104), (8, 123815), (10, 99052), (20, 49526), (40, 24763)]