1315960

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{197}}^1$

素因数の和:375

約数の個数: 32

約数和(自身を含む): 2993760

約数和(自身を除く): 1677800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 197, 334, 394, 668, 788, 835, 985, 1336, 1576, 1670, 1970, 3340, 3940, 6680, 7880, 32899, 65798, 131596, 164495, 263192, 328990, 657980, 1315960]

約数ペア:

[(1, 1315960), (2, 657980), (4, 328990), (5, 263192), (8, 164495), (10, 131596), (20, 65798), (40, 32899), (167, 7880), (197, 6680), (334, 3940), (394, 3340), (668, 1970), (788, 1670), (835, 1576), (985, 1336)]