81212650

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{85487}}^1$

素因数の和:85518

約数の個数: 24

約数和(自身を含む): 159007680

約数和(自身を除く): 77795030

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 475, 950, 85487, 170974, 427435, 854870, 1624253, 2137175, 3248506, 4274350, 8121265, 16242530, 40606325, 81212650]

約数ペア:

[(1, 81212650), (2, 40606325), (5, 16242530), (10, 8121265), (19, 4274350), (25, 3248506), (38, 2137175), (50, 1624253), (95, 854870), (190, 427435), (475, 170974), (950, 85487)]