81505250

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{17159}}^1$

素因数の和:17195

約数の個数: 32

約数和(自身を含む): 160617600

約数和(自身を除く): 79112350

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 250, 475, 950, 2375, 4750, 17159, 34318, 85795, 171590, 326021, 428975, 652042, 857950, 1630105, 2144875, 3260210, 4289750, 8150525, 16301050, 40752625, 81505250]

約数ペア:

[(1, 81505250), (2, 40752625), (5, 16301050), (10, 8150525), (19, 4289750), (25, 3260210), (38, 2144875), (50, 1630105), (95, 857950), (125, 652042), (190, 428975), (250, 326021), (475, 171590), (950, 85795), (2375, 34318), (4750, 17159)]