42000440

素因数分解:

$2^3\times 5^1\times {\mathrm{1050011}}^1$

素因数の和:1050022

約数の個数: 16

約数和(自身を含む): 94501080

約数和(自身を除く): 52500640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1050011, 2100022, 4200044, 5250055, 8400088, 10500110, 21000220, 42000440]

約数ペア:

[(1, 42000440), (2, 21000220), (4, 10500110), (5, 8400088), (8, 5250055), (10, 4200044), (20, 2100022), (40, 1050011)]