56128400

素因数分解:

$2^4\times 5^2\times {\mathrm{140321}}^1$

素因数の和:140339

約数の個数: 30

約数和(自身を含む): 134849442

約数和(自身を除く): 78721042

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 140321, 280642, 561284, 701605, 1122568, 1403210, 2245136, 2806420, 3508025, 5612840, 7016050, 11225680, 14032100, 28064200, 56128400]

約数ペア:

[(1, 56128400), (2, 28064200), (4, 14032100), (5, 11225680), (8, 7016050), (10, 5612840), (16, 3508025), (20, 2806420), (25, 2245136), (40, 1403210), (50, 1122568), (80, 701605), (100, 561284), (200, 280642), (400, 140321)]