9040780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{64577}}^1$

素因数の和:64593

約数の個数: 24

約数和(自身を含む): 21698208

約数和(自身を除く): 12657428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 64577, 129154, 258308, 322885, 452039, 645770, 904078, 1291540, 1808156, 2260195, 4520390, 9040780]

約数ペア:

[(1, 9040780), (2, 4520390), (4, 2260195), (5, 1808156), (7, 1291540), (10, 904078), (14, 645770), (20, 452039), (28, 322885), (35, 258308), (70, 129154), (140, 64577)]