28448800

素因数分解:

$2^5\times 5^2\times {\mathrm{43}}^1\times {\mathrm{827}}^1$

素因数の和:890

約数の個数: 72

約数和(自身を含む): 71151696

約数和(自身を除く): 42702896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 43, 50, 80, 86, 100, 160, 172, 200, 215, 344, 400, 430, 688, 800, 827, 860, 1075, 1376, 1654, 1720, 2150, 3308, 3440, 4135, 4300, 6616, 6880, 8270, 8600, 13232, 16540, 17200, 20675, 26464, 33080, 34400, 35561, 41350, 66160, 71122, 82700, 132320, 142244, 165400, 177805, 284488, 330800, 355610, 568976, 661600, 711220, 889025, 1137952, 1422440, 1778050, 2844880, 3556100, 5689760, 7112200, 14224400, 28448800]

約数ペア:

[(1, 28448800), (2, 14224400), (4, 7112200), (5, 5689760), (8, 3556100), (10, 2844880), (16, 1778050), (20, 1422440), (25, 1137952), (32, 889025), (40, 711220), (43, 661600), (50, 568976), (80, 355610), (86, 330800), (100, 284488), (160, 177805), (172, 165400), (200, 142244), (215, 132320), (344, 82700), (400, 71122), (430, 66160), (688, 41350), (800, 35561), (827, 34400), (860, 33080), (1075, 26464), (1376, 20675), (1654, 17200), (1720, 16540), (2150, 13232), (3308, 8600), (3440, 8270), (4135, 6880), (4300, 6616)]