64800440

素因数分解:

$2^3\times 5^1\times {\mathrm{701}}^1\times {\mathrm{2311}}^1$

素因数の和:3023

約数の個数: 32

約数和(自身を含む): 146072160

約数和(自身を除く): 81271720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 701, 1402, 2311, 2804, 3505, 4622, 5608, 7010, 9244, 11555, 14020, 18488, 23110, 28040, 46220, 92440, 1620011, 3240022, 6480044, 8100055, 12960088, 16200110, 32400220, 64800440]

約数ペア:

[(1, 64800440), (2, 32400220), (4, 16200110), (5, 12960088), (8, 8100055), (10, 6480044), (20, 3240022), (40, 1620011), (701, 92440), (1402, 46220), (2311, 28040), (2804, 23110), (3505, 18488), (4622, 14020), (5608, 11555), (7010, 9244)]