79897540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{4157}}^1$

素因数の和:4228

約数の個数: 36

約数和(自身を含む): 173413548

約数和(自身を除く): 93516008

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 961, 1922, 3844, 4157, 4805, 8314, 9610, 16628, 19220, 20785, 41570, 83140, 128867, 257734, 515468, 644335, 1288670, 2577340, 3994877, 7989754, 15979508, 19974385, 39948770, 79897540]

約数ペア:

[(1, 79897540), (2, 39948770), (4, 19974385), (5, 15979508), (10, 7989754), (20, 3994877), (31, 2577340), (62, 1288670), (124, 644335), (155, 515468), (310, 257734), (620, 128867), (961, 83140), (1922, 41570), (3844, 20785), (4157, 19220), (4805, 16628), (8314, 9610)]