4537220

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2549}}^1$

素因数の和:2647

約数の個数: 24

約数和(自身を含む): 9639000

約数和(自身を除く): 5101780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 2549, 5098, 10196, 12745, 25490, 50980, 226861, 453722, 907444, 1134305, 2268610, 4537220]

約数ペア:

[(1, 4537220), (2, 2268610), (4, 1134305), (5, 907444), (10, 453722), (20, 226861), (89, 50980), (178, 25490), (356, 12745), (445, 10196), (890, 5098), (1780, 2549)]