51677200

素因数分解:

$2^4\times 5^2\times {\mathrm{129193}}^1$

素因数の和:129211

約数の個数: 30

約数和(自身を含む): 124155434

約数和(自身を除く): 72478234

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 129193, 258386, 516772, 645965, 1033544, 1291930, 2067088, 2583860, 3229825, 5167720, 6459650, 10335440, 12919300, 25838600, 51677200]

約数ペア:

[(1, 51677200), (2, 25838600), (4, 12919300), (5, 10335440), (8, 6459650), (10, 5167720), (16, 3229825), (20, 2583860), (25, 2067088), (40, 1291930), (50, 1033544), (80, 645965), (100, 516772), (200, 258386), (400, 129193)]