68923880

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{4297}}^1$

素因数の和:4709

約数の個数: 32

約数和(自身を含む): 155501640

約数和(自身を除く): 86577760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 2005, 3208, 4010, 4297, 8020, 8594, 16040, 17188, 21485, 34376, 42970, 85940, 171880, 1723097, 3446194, 6892388, 8615485, 13784776, 17230970, 34461940, 68923880]

約数ペア:

[(1, 68923880), (2, 34461940), (4, 17230970), (5, 13784776), (8, 8615485), (10, 6892388), (20, 3446194), (40, 1723097), (401, 171880), (802, 85940), (1604, 42970), (2005, 34376), (3208, 21485), (4010, 17188), (4297, 16040), (8020, 8594)]