29967640

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{3803}}^1$

素因数の和:4011

約数の個数: 32

約数和(自身を含む): 67787280

約数和(自身を除く): 37819640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3803, 3940, 7606, 7880, 15212, 19015, 30424, 38030, 76060, 152120, 749191, 1498382, 2996764, 3745955, 5993528, 7491910, 14983820, 29967640]

約数ペア:

[(1, 29967640), (2, 14983820), (4, 7491910), (5, 5993528), (8, 3745955), (10, 2996764), (20, 1498382), (40, 749191), (197, 152120), (394, 76060), (788, 38030), (985, 30424), (1576, 19015), (1970, 15212), (3803, 7880), (3940, 7606)]