25292080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{701}}^1$

素因数の和:766

約数の個数: 80

約数和(自身を含む): 65808288

約数和(自身を除く): 40516208

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 41, 44, 55, 80, 82, 88, 110, 164, 176, 205, 220, 328, 410, 440, 451, 656, 701, 820, 880, 902, 1402, 1640, 1804, 2255, 2804, 3280, 3505, 3608, 4510, 5608, 7010, 7216, 7711, 9020, 11216, 14020, 15422, 18040, 28040, 28741, 30844, 36080, 38555, 56080, 57482, 61688, 77110, 114964, 123376, 143705, 154220, 229928, 287410, 308440, 316151, 459856, 574820, 616880, 632302, 1149640, 1264604, 1580755, 2299280, 2529208, 3161510, 5058416, 6323020, 12646040, 25292080]

約数ペア:

[(1, 25292080), (2, 12646040), (4, 6323020), (5, 5058416), (8, 3161510), (10, 2529208), (11, 2299280), (16, 1580755), (20, 1264604), (22, 1149640), (40, 632302), (41, 616880), (44, 574820), (55, 459856), (80, 316151), (82, 308440), (88, 287410), (110, 229928), (164, 154220), (176, 143705), (205, 123376), (220, 114964), (328, 77110), (410, 61688), (440, 57482), (451, 56080), (656, 38555), (701, 36080), (820, 30844), (880, 28741), (902, 28040), (1402, 18040), (1640, 15422), (1804, 14020), (2255, 11216), (2804, 9020), (3280, 7711), (3505, 7216), (3608, 7010), (4510, 5608)]