164527600

素因数分解:

$2^4\times 5^2\times {\mathrm{239}}^1\times {\mathrm{1721}}^1$

素因数の和:1978

約数の個数: 60

約数和(自身を含む): 397162080

約数和(自身を除く): 232634480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 239, 400, 478, 956, 1195, 1721, 1912, 2390, 3442, 3824, 4780, 5975, 6884, 8605, 9560, 11950, 13768, 17210, 19120, 23900, 27536, 34420, 43025, 47800, 68840, 86050, 95600, 137680, 172100, 344200, 411319, 688400, 822638, 1645276, 2056595, 3290552, 4113190, 6581104, 8226380, 10282975, 16452760, 20565950, 32905520, 41131900, 82263800, 164527600]

約数ペア:

[(1, 164527600), (2, 82263800), (4, 41131900), (5, 32905520), (8, 20565950), (10, 16452760), (16, 10282975), (20, 8226380), (25, 6581104), (40, 4113190), (50, 3290552), (80, 2056595), (100, 1645276), (200, 822638), (239, 688400), (400, 411319), (478, 344200), (956, 172100), (1195, 137680), (1721, 95600), (1912, 86050), (2390, 68840), (3442, 47800), (3824, 43025), (4780, 34420), (5975, 27536), (6884, 23900), (8605, 19120), (9560, 17210), (11950, 13768)]