7968400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1811}}^1$

素因数の和:1840

約数の個数: 60

約数和(自身を含む): 20895984

約数和(自身を除く): 12927584

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 176, 200, 220, 275, 400, 440, 550, 880, 1100, 1811, 2200, 3622, 4400, 7244, 9055, 14488, 18110, 19921, 28976, 36220, 39842, 45275, 72440, 79684, 90550, 99605, 144880, 159368, 181100, 199210, 318736, 362200, 398420, 498025, 724400, 796840, 996050, 1593680, 1992100, 3984200, 7968400]

約数ペア:

[(1, 7968400), (2, 3984200), (4, 1992100), (5, 1593680), (8, 996050), (10, 796840), (11, 724400), (16, 498025), (20, 398420), (22, 362200), (25, 318736), (40, 199210), (44, 181100), (50, 159368), (55, 144880), (80, 99605), (88, 90550), (100, 79684), (110, 72440), (176, 45275), (200, 39842), (220, 36220), (275, 28976), (400, 19921), (440, 18110), (550, 14488), (880, 9055), (1100, 7244), (1811, 4400), (2200, 3622)]