28302080

素因数分解:

$2^8\times 5^1\times {\mathrm{22111}}^1$

素因数の和:22132

約数の個数: 36

約数和(自身を含む): 67795392

約数和(自身を除く): 39493312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 22111, 44222, 88444, 110555, 176888, 221110, 353776, 442220, 707552, 884440, 1415104, 1768880, 2830208, 3537760, 5660416, 7075520, 14151040, 28302080]

約数ペア:

[(1, 28302080), (2, 14151040), (4, 7075520), (5, 5660416), (8, 3537760), (10, 2830208), (16, 1768880), (20, 1415104), (32, 884440), (40, 707552), (64, 442220), (80, 353776), (128, 221110), (160, 176888), (256, 110555), (320, 88444), (640, 44222), (1280, 22111)]