54288400

素因数分解:

$2^4\times 5^2\times {\mathrm{135721}}^1$

素因数の和:135739

約数の個数: 30

約数和(自身を含む): 130428842

約数和(自身を除く): 76140442

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 135721, 271442, 542884, 678605, 1085768, 1357210, 2171536, 2714420, 3393025, 5428840, 6786050, 10857680, 13572100, 27144200, 54288400]

約数ペア:

[(1, 54288400), (2, 27144200), (4, 13572100), (5, 10857680), (8, 6786050), (10, 5428840), (16, 3393025), (20, 2714420), (25, 2171536), (40, 1357210), (50, 1085768), (80, 678605), (100, 542884), (200, 271442), (400, 135721)]