890633840

素因数分解:

$2^4\times 5^1\times {\mathrm{11132923}}^1$

素因数の和:11132936

約数の個数: 20

約数和(自身を含む): 2070723864

約数和(自身を除く): 1180090024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 11132923, 22265846, 44531692, 55664615, 89063384, 111329230, 178126768, 222658460, 445316920, 890633840]

約数ペア:

[(1, 890633840), (2, 445316920), (4, 222658460), (5, 178126768), (8, 111329230), (10, 89063384), (16, 55664615), (20, 44531692), (40, 22265846), (80, 11132923)]