2631920

素因数分解:

$2^4\times 5^1\times {\mathrm{167}}^1\times {\mathrm{197}}^1$

素因数の和:377

約数の個数: 40

約数和(自身を含む): 6187104

約数和(自身を除く): 3555184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 167, 197, 334, 394, 668, 788, 835, 985, 1336, 1576, 1670, 1970, 2672, 3152, 3340, 3940, 6680, 7880, 13360, 15760, 32899, 65798, 131596, 164495, 263192, 328990, 526384, 657980, 1315960, 2631920]

約数ペア:

[(1, 2631920), (2, 1315960), (4, 657980), (5, 526384), (8, 328990), (10, 263192), (16, 164495), (20, 131596), (40, 65798), (80, 32899), (167, 15760), (197, 13360), (334, 7880), (394, 6680), (668, 3940), (788, 3340), (835, 3152), (985, 2672), (1336, 1970), (1576, 1670)]