8686000

素因数分解:

$2^4\times 5^3\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:167

約数の個数: 80

約数和(自身を含む): 21703968

約数和(自身を除く): 13017968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 43, 50, 80, 86, 100, 101, 125, 172, 200, 202, 215, 250, 344, 400, 404, 430, 500, 505, 688, 808, 860, 1000, 1010, 1075, 1616, 1720, 2000, 2020, 2150, 2525, 3440, 4040, 4300, 4343, 5050, 5375, 8080, 8600, 8686, 10100, 10750, 12625, 17200, 17372, 20200, 21500, 21715, 25250, 34744, 40400, 43000, 43430, 50500, 69488, 86000, 86860, 101000, 108575, 173720, 202000, 217150, 347440, 434300, 542875, 868600, 1085750, 1737200, 2171500, 4343000, 8686000]

約数ペア:

[(1, 8686000), (2, 4343000), (4, 2171500), (5, 1737200), (8, 1085750), (10, 868600), (16, 542875), (20, 434300), (25, 347440), (40, 217150), (43, 202000), (50, 173720), (80, 108575), (86, 101000), (100, 86860), (101, 86000), (125, 69488), (172, 50500), (200, 43430), (202, 43000), (215, 40400), (250, 34744), (344, 25250), (400, 21715), (404, 21500), (430, 20200), (500, 17372), (505, 17200), (688, 12625), (808, 10750), (860, 10100), (1000, 8686), (1010, 8600), (1075, 8080), (1616, 5375), (1720, 5050), (2000, 4343), (2020, 4300), (2150, 4040), (2525, 3440)]