6988996880

素因数分解:

$2^4\times 5^1\times {\mathrm{2081}}^1\times {\mathrm{41981}}^1$

素因数の和:44075

約数の個数: 40

約数和(自身を含む): 16257613464

約数和(自身を除く): 9268616584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2081, 4162, 8324, 10405, 16648, 20810, 33296, 41620, 41981, 83240, 83962, 166480, 167924, 209905, 335848, 419810, 671696, 839620, 1679240, 3358480, 87362461, 174724922, 349449844, 436812305, 698899688, 873624610, 1397799376, 1747249220, 3494498440, 6988996880]

約数ペア:

[(1, 6988996880), (2, 3494498440), (4, 1747249220), (5, 1397799376), (8, 873624610), (10, 698899688), (16, 436812305), (20, 349449844), (40, 174724922), (80, 87362461), (2081, 3358480), (4162, 1679240), (8324, 839620), (10405, 671696), (16648, 419810), (20810, 335848), (33296, 209905), (41620, 167924), (41981, 166480), (83240, 83962)]