2021848060

素因数分解:

$2^2\times 5^1\times {\mathrm{1289}}^1\times {\mathrm{78427}}^1$

素因数の和:79725

約数の個数: 24

約数和(自身を含む): 4249229040

約数和(自身を除く): 2227380980

約数列:

[1, 2, 4, 5, 10, 20, 1289, 2578, 5156, 6445, 12890, 25780, 78427, 156854, 313708, 392135, 784270, 1568540, 101092403, 202184806, 404369612, 505462015, 1010924030, 2021848060]

約数ペア:

[(1, 2021848060), (2, 1010924030), (4, 505462015), (5, 404369612), (10, 202184806), (20, 101092403), (1289, 1568540), (2578, 784270), (5156, 392135), (6445, 313708), (12890, 156854), (25780, 78427)]