8640850

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{4019}}^1$

素因数の和:4074

約数の個数: 24

約数和(自身を含む): 16449840

約数和(自身を除く): 7808990

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 215, 430, 1075, 2150, 4019, 8038, 20095, 40190, 100475, 172817, 200950, 345634, 864085, 1728170, 4320425, 8640850]

約数ペア:

[(1, 8640850), (2, 4320425), (5, 1728170), (10, 864085), (25, 345634), (43, 200950), (50, 172817), (86, 100475), (215, 40190), (430, 20095), (1075, 8038), (2150, 4019)]