16545140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{20177}}^1$

素因数の和:20227

約数の個数: 24

約数和(自身を含む): 35593992

約数和(自身を除く): 19048852

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 20177, 40354, 80708, 100885, 201770, 403540, 827257, 1654514, 3309028, 4136285, 8272570, 16545140]

約数ペア:

[(1, 16545140), (2, 8272570), (4, 4136285), (5, 3309028), (10, 1654514), (20, 827257), (41, 403540), (82, 201770), (164, 100885), (205, 80708), (410, 40354), (820, 20177)]