166566520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{857}}^1$

素因数の和:1024

約数の個数: 64

約数和(自身を含む): 387335520

約数和(自身を除く): 220769000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 113, 172, 215, 226, 344, 430, 452, 565, 857, 860, 904, 1130, 1714, 1720, 2260, 3428, 4285, 4520, 4859, 6856, 8570, 9718, 17140, 19436, 24295, 34280, 36851, 38872, 48590, 73702, 96841, 97180, 147404, 184255, 193682, 194360, 294808, 368510, 387364, 484205, 737020, 774728, 968410, 1474040, 1936820, 3873640, 4164163, 8328326, 16656652, 20820815, 33313304, 41641630, 83283260, 166566520]

約数ペア:

[(1, 166566520), (2, 83283260), (4, 41641630), (5, 33313304), (8, 20820815), (10, 16656652), (20, 8328326), (40, 4164163), (43, 3873640), (86, 1936820), (113, 1474040), (172, 968410), (215, 774728), (226, 737020), (344, 484205), (430, 387364), (452, 368510), (565, 294808), (857, 194360), (860, 193682), (904, 184255), (1130, 147404), (1714, 97180), (1720, 96841), (2260, 73702), (3428, 48590), (4285, 38872), (4520, 36851), (4859, 34280), (6856, 24295), (8570, 19436), (9718, 17140)]