80887000

素因数分解:

$2^3\times 5^3\times {\mathrm{47}}^1\times {\mathrm{1721}}^1$

素因数の和:1789

約数の個数: 64

約数和(自身を含む): 193415040

約数和(自身を除く): 112528040

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 47, 50, 94, 100, 125, 188, 200, 235, 250, 376, 470, 500, 940, 1000, 1175, 1721, 1880, 2350, 3442, 4700, 5875, 6884, 8605, 9400, 11750, 13768, 17210, 23500, 34420, 43025, 47000, 68840, 80887, 86050, 161774, 172100, 215125, 323548, 344200, 404435, 430250, 647096, 808870, 860500, 1617740, 1721000, 2022175, 3235480, 4044350, 8088700, 10110875, 16177400, 20221750, 40443500, 80887000]

約数ペア:

[(1, 80887000), (2, 40443500), (4, 20221750), (5, 16177400), (8, 10110875), (10, 8088700), (20, 4044350), (25, 3235480), (40, 2022175), (47, 1721000), (50, 1617740), (94, 860500), (100, 808870), (125, 647096), (188, 430250), (200, 404435), (235, 344200), (250, 323548), (376, 215125), (470, 172100), (500, 161774), (940, 86050), (1000, 80887), (1175, 68840), (1721, 47000), (1880, 43025), (2350, 34420), (3442, 23500), (4700, 17210), (5875, 13768), (6884, 11750), (8605, 9400)]