4042000

素因数分解:

$2^4\times 5^3\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:113

約数の個数: 80

約数和(自身を含む): 10213632

約数和(自身を除く): 6171632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 43, 47, 50, 80, 86, 94, 100, 125, 172, 188, 200, 215, 235, 250, 344, 376, 400, 430, 470, 500, 688, 752, 860, 940, 1000, 1075, 1175, 1720, 1880, 2000, 2021, 2150, 2350, 3440, 3760, 4042, 4300, 4700, 5375, 5875, 8084, 8600, 9400, 10105, 10750, 11750, 16168, 17200, 18800, 20210, 21500, 23500, 32336, 40420, 43000, 47000, 50525, 80840, 86000, 94000, 101050, 161680, 202100, 252625, 404200, 505250, 808400, 1010500, 2021000, 4042000]

約数ペア:

[(1, 4042000), (2, 2021000), (4, 1010500), (5, 808400), (8, 505250), (10, 404200), (16, 252625), (20, 202100), (25, 161680), (40, 101050), (43, 94000), (47, 86000), (50, 80840), (80, 50525), (86, 47000), (94, 43000), (100, 40420), (125, 32336), (172, 23500), (188, 21500), (200, 20210), (215, 18800), (235, 17200), (250, 16168), (344, 11750), (376, 10750), (400, 10105), (430, 9400), (470, 8600), (500, 8084), (688, 5875), (752, 5375), (860, 4700), (940, 4300), (1000, 4042), (1075, 3760), (1175, 3440), (1720, 2350), (1880, 2150), (2000, 2021)]