81084440

素因数分解:

$2^3\times 5^1\times {\mathrm{2027111}}^1$

素因数の和:2027122

約数の個数: 16

約数和(自身を含む): 182440080

約数和(自身を除く): 101355640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2027111, 4054222, 8108444, 10135555, 16216888, 20271110, 40542220, 81084440]

約数ペア:

[(1, 81084440), (2, 40542220), (4, 20271110), (5, 16216888), (8, 10135555), (10, 8108444), (20, 4054222), (40, 2027111)]