79315760

素因数分解:

$2^4\times 5^1\times {\mathrm{991447}}^1$

素因数の和:991460

約数の個数: 20

約数和(自身を含む): 184409328

約数和(自身を除く): 105093568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 991447, 1982894, 3965788, 4957235, 7931576, 9914470, 15863152, 19828940, 39657880, 79315760]

約数ペア:

[(1, 79315760), (2, 39657880), (4, 19828940), (5, 15863152), (8, 9914470), (10, 7931576), (16, 4957235), (20, 3965788), (40, 1982894), (80, 991447)]