87749680

素因数分解:

$2^4\times 5^1\times {\mathrm{1096871}}^1$

素因数の和:1096884

約数の個数: 20

約数和(自身を含む): 204018192

約数和(自身を除く): 116268512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1096871, 2193742, 4387484, 5484355, 8774968, 10968710, 17549936, 21937420, 43874840, 87749680]

約数ペア:

[(1, 87749680), (2, 43874840), (4, 21937420), (5, 17549936), (8, 10968710), (10, 8774968), (16, 5484355), (20, 4387484), (40, 2193742), (80, 1096871)]