99725840

素因数分解:

$2^4\times 5^1\times {\mathrm{1246573}}^1$

素因数の和:1246586

約数の個数: 20

約数和(自身を含む): 231862764

約数和(自身を除く): 132136924

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1246573, 2493146, 4986292, 6232865, 9972584, 12465730, 19945168, 24931460, 49862920, 99725840]

約数ペア:

[(1, 99725840), (2, 49862920), (4, 24931460), (5, 19945168), (8, 12465730), (10, 9972584), (16, 6232865), (20, 4986292), (40, 2493146), (80, 1246573)]