219702920

素因数分解:

$2^3\times 5^1\times {\mathrm{5492573}}^1$

素因数の和:5492584

約数の個数: 16

約数和(自身を含む): 494331660

約数和(自身を除く): 274628740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5492573, 10985146, 21970292, 27462865, 43940584, 54925730, 109851460, 219702920]

約数ペア:

[(1, 219702920), (2, 109851460), (4, 54925730), (5, 43940584), (8, 27462865), (10, 21970292), (20, 10985146), (40, 5492573)]