12123920

素因数分解:

$2^4\times 5^1\times {\mathrm{151549}}^1$

素因数の和:151562

約数の個数: 20

約数和(自身を含む): 28188300

約数和(自身を除く): 16064380

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 151549, 303098, 606196, 757745, 1212392, 1515490, 2424784, 3030980, 6061960, 12123920]

約数ペア:

[(1, 12123920), (2, 6061960), (4, 3030980), (5, 2424784), (8, 1515490), (10, 1212392), (16, 757745), (20, 606196), (40, 303098), (80, 151549)]