28010800

素因数分解:

$2^4\times 5^2\times {\mathrm{239}}^1\times {\mathrm{293}}^1$

素因数の和:550

約数の個数: 60

約数和(自身を含む): 67808160

約数和(自身を除く): 39797360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 239, 293, 400, 478, 586, 956, 1172, 1195, 1465, 1912, 2344, 2390, 2930, 3824, 4688, 4780, 5860, 5975, 7325, 9560, 11720, 11950, 14650, 19120, 23440, 23900, 29300, 47800, 58600, 70027, 95600, 117200, 140054, 280108, 350135, 560216, 700270, 1120432, 1400540, 1750675, 2801080, 3501350, 5602160, 7002700, 14005400, 28010800]

約数ペア:

[(1, 28010800), (2, 14005400), (4, 7002700), (5, 5602160), (8, 3501350), (10, 2801080), (16, 1750675), (20, 1400540), (25, 1120432), (40, 700270), (50, 560216), (80, 350135), (100, 280108), (200, 140054), (239, 117200), (293, 95600), (400, 70027), (478, 58600), (586, 47800), (956, 29300), (1172, 23900), (1195, 23440), (1465, 19120), (1912, 14650), (2344, 11950), (2390, 11720), (2930, 9560), (3824, 7325), (4688, 5975), (4780, 5860)]