68098840

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{15619}}^1$

素因数の和:15739

約数の個数: 32

約数和(自身を含む): 154638000

約数和(自身を除く): 86539160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 15619, 31238, 62476, 78095, 124952, 156190, 312380, 624760, 1702471, 3404942, 6809884, 8512355, 13619768, 17024710, 34049420, 68098840]

約数ペア:

[(1, 68098840), (2, 34049420), (4, 17024710), (5, 13619768), (8, 8512355), (10, 6809884), (20, 3404942), (40, 1702471), (109, 624760), (218, 312380), (436, 156190), (545, 124952), (872, 78095), (1090, 62476), (2180, 31238), (4360, 15619)]