51088760

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{17989}}^1$

素因数の和:18071

約数の個数: 32

約数和(自身を含む): 116575200

約数和(自身を除く): 65486440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 17989, 35978, 71956, 89945, 143912, 179890, 359780, 719560, 1277219, 2554438, 5108876, 6386095, 10217752, 12772190, 25544380, 51088760]

約数ペア:

[(1, 51088760), (2, 25544380), (4, 12772190), (5, 10217752), (8, 6386095), (10, 5108876), (20, 2554438), (40, 1277219), (71, 719560), (142, 359780), (284, 179890), (355, 143912), (568, 89945), (710, 71956), (1420, 35978), (2840, 17989)]