145045840

素因数分解:

$2^4\times 5^1\times {\mathrm{1813073}}^1$

素因数の和:1813086

約数の個数: 20

約数和(自身を含む): 337231764

約数和(自身を除く): 192185924

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1813073, 3626146, 7252292, 9065365, 14504584, 18130730, 29009168, 36261460, 72522920, 145045840]

約数ペア:

[(1, 145045840), (2, 72522920), (4, 36261460), (5, 29009168), (8, 18130730), (10, 14504584), (16, 9065365), (20, 7252292), (40, 3626146), (80, 1813073)]