9860140

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{4523}}^1$

素因数の和:4641

約数の個数: 24

約数和(自身を含む): 20900880

約数和(自身を除く): 11040740

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 4523, 9046, 18092, 22615, 45230, 90460, 493007, 986014, 1972028, 2465035, 4930070, 9860140]

約数ペア:

[(1, 9860140), (2, 4930070), (4, 2465035), (5, 1972028), (10, 986014), (20, 493007), (109, 90460), (218, 45230), (436, 22615), (545, 18092), (1090, 9046), (2180, 4523)]