17889520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{701}}^1$

素因数の和:754

約数の個数: 80

約数和(自身を含む): 47005920

約数和(自身を除く): 29116400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 55, 58, 80, 88, 110, 116, 145, 176, 220, 232, 290, 319, 440, 464, 580, 638, 701, 880, 1160, 1276, 1402, 1595, 2320, 2552, 2804, 3190, 3505, 5104, 5608, 6380, 7010, 7711, 11216, 12760, 14020, 15422, 20329, 25520, 28040, 30844, 38555, 40658, 56080, 61688, 77110, 81316, 101645, 123376, 154220, 162632, 203290, 223619, 308440, 325264, 406580, 447238, 616880, 813160, 894476, 1118095, 1626320, 1788952, 2236190, 3577904, 4472380, 8944760, 17889520]

約数ペア:

[(1, 17889520), (2, 8944760), (4, 4472380), (5, 3577904), (8, 2236190), (10, 1788952), (11, 1626320), (16, 1118095), (20, 894476), (22, 813160), (29, 616880), (40, 447238), (44, 406580), (55, 325264), (58, 308440), (80, 223619), (88, 203290), (110, 162632), (116, 154220), (145, 123376), (176, 101645), (220, 81316), (232, 77110), (290, 61688), (319, 56080), (440, 40658), (464, 38555), (580, 30844), (638, 28040), (701, 25520), (880, 20329), (1160, 15422), (1276, 14020), (1402, 12760), (1595, 11216), (2320, 7711), (2552, 7010), (2804, 6380), (3190, 5608), (3505, 5104)]