68888800

素因数分解:

$2^5\times 5^2\times {\mathrm{86111}}^1$

素因数の和:86131

約数の個数: 36

約数和(自身を含む): 168176736

約数和(自身を除く): 99287936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 86111, 172222, 344444, 430555, 688888, 861110, 1377776, 1722220, 2152775, 2755552, 3444440, 4305550, 6888880, 8611100, 13777760, 17222200, 34444400, 68888800]

約数ペア:

[(1, 68888800), (2, 34444400), (4, 17222200), (5, 13777760), (8, 8611100), (10, 6888880), (16, 4305550), (20, 3444440), (25, 2755552), (32, 2152775), (40, 1722220), (50, 1377776), (80, 861110), (100, 688888), (160, 430555), (200, 344444), (400, 172222), (800, 86111)]