28017760

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4271}}^1$

素因数の和:4327

約数の個数: 48

約数和(自身を含む): 67822272

約数和(自身を除く): 39804512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 4271, 6560, 8542, 17084, 21355, 34168, 42710, 68336, 85420, 136672, 170840, 175111, 341680, 350222, 683360, 700444, 875555, 1400888, 1751110, 2801776, 3502220, 5603552, 7004440, 14008880, 28017760]

約数ペア:

[(1, 28017760), (2, 14008880), (4, 7004440), (5, 5603552), (8, 3502220), (10, 2801776), (16, 1751110), (20, 1400888), (32, 875555), (40, 700444), (41, 683360), (80, 350222), (82, 341680), (160, 175111), (164, 170840), (205, 136672), (328, 85420), (410, 68336), (656, 42710), (820, 34168), (1312, 21355), (1640, 17084), (3280, 8542), (4271, 6560)]