80885790

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{99859}}^1$

素因数の和:99878

約数の個数: 40

約数和(自身を含む): 217495080

約数和(自身を除く): 136609290

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 99859, 199718, 299577, 499295, 599154, 898731, 998590, 1497885, 1797462, 2696193, 2995770, 4493655, 5392386, 8088579, 8987310, 13480965, 16177158, 26961930, 40442895, 80885790]

約数ペア:

[(1, 80885790), (2, 40442895), (3, 26961930), (5, 16177158), (6, 13480965), (9, 8987310), (10, 8088579), (15, 5392386), (18, 4493655), (27, 2995770), (30, 2696193), (45, 1797462), (54, 1497885), (81, 998590), (90, 898731), (135, 599154), (162, 499295), (270, 299577), (405, 199718), (810, 99859)]