5428840

素因数分解:

$2^3\times 5^1\times {\mathrm{135721}}^1$

素因数の和:135732

約数の個数: 16

約数和(自身を含む): 12214980

約数和(自身を除く): 6786140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 135721, 271442, 542884, 678605, 1085768, 1357210, 2714420, 5428840]

約数ペア:

[(1, 5428840), (2, 2714420), (4, 1357210), (5, 1085768), (8, 678605), (10, 542884), (20, 271442), (40, 135721)]