68617880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{55337}}^1$

素因数の和:55379

約数の個数: 32

約数和(自身を含む): 159373440

約数和(自身を除く): 90755560

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 55337, 110674, 221348, 276685, 442696, 553370, 1106740, 1715447, 2213480, 3430894, 6861788, 8577235, 13723576, 17154470, 34308940, 68617880]

約数ペア:

[(1, 68617880), (2, 34308940), (4, 17154470), (5, 13723576), (8, 8577235), (10, 6861788), (20, 3430894), (31, 2213480), (40, 1715447), (62, 1106740), (124, 553370), (155, 442696), (248, 276685), (310, 221348), (620, 110674), (1240, 55337)]