7640780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{54577}}^1$

素因数の和:54593

約数の個数: 24

約数和(自身を含む): 18338208

約数和(自身を除く): 10697428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 54577, 109154, 218308, 272885, 382039, 545770, 764078, 1091540, 1528156, 1910195, 3820390, 7640780]

約数ペア:

[(1, 7640780), (2, 3820390), (4, 1910195), (5, 1528156), (7, 1091540), (10, 764078), (14, 545770), (20, 382039), (28, 272885), (35, 218308), (70, 109154), (140, 54577)]