68441480

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{15991}}^1$

素因数の和:16109

約数の個数: 32

約数和(自身を含む): 155442240

約数和(自身を除く): 87000760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 15991, 31982, 63964, 79955, 127928, 159910, 319820, 639640, 1711037, 3422074, 6844148, 8555185, 13688296, 17110370, 34220740, 68441480]

約数ペア:

[(1, 68441480), (2, 34220740), (4, 17110370), (5, 13688296), (8, 8555185), (10, 6844148), (20, 3422074), (40, 1711037), (107, 639640), (214, 319820), (428, 159910), (535, 127928), (856, 79955), (1070, 63964), (2140, 31982), (4280, 15991)]