2065784080

素因数分解:

$2^4\times 5^1\times {\mathrm{1949}}^1\times {\mathrm{13249}}^1$

素因数の和:15211

約数の個数: 40

約数和(自身を含む): 4805775000

約数和(自身を除く): 2739990920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1949, 3898, 7796, 9745, 13249, 15592, 19490, 26498, 31184, 38980, 52996, 66245, 77960, 105992, 132490, 155920, 211984, 264980, 529960, 1059920, 25822301, 51644602, 103289204, 129111505, 206578408, 258223010, 413156816, 516446020, 1032892040, 2065784080]

約数ペア:

[(1, 2065784080), (2, 1032892040), (4, 516446020), (5, 413156816), (8, 258223010), (10, 206578408), (16, 129111505), (20, 103289204), (40, 51644602), (80, 25822301), (1949, 1059920), (3898, 529960), (7796, 264980), (9745, 211984), (13249, 155920), (15592, 132490), (19490, 105992), (26498, 77960), (31184, 66245), (38980, 52996)]