17619680

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:268

約数の個数: 96

約数和(自身を含む): 46103904

約数和(自身を除く): 28484224

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 43, 52, 65, 80, 86, 104, 130, 160, 172, 197, 208, 215, 260, 344, 394, 416, 430, 520, 559, 688, 788, 860, 985, 1040, 1118, 1376, 1576, 1720, 1970, 2080, 2236, 2561, 2795, 3152, 3440, 3940, 4472, 5122, 5590, 6304, 6880, 7880, 8471, 8944, 10244, 11180, 12805, 15760, 16942, 17888, 20488, 22360, 25610, 31520, 33884, 40976, 42355, 44720, 51220, 67768, 81952, 84710, 89440, 102440, 110123, 135536, 169420, 204880, 220246, 271072, 338840, 409760, 440492, 550615, 677680, 880984, 1101230, 1355360, 1761968, 2202460, 3523936, 4404920, 8809840, 17619680]

約数ペア:

[(1, 17619680), (2, 8809840), (4, 4404920), (5, 3523936), (8, 2202460), (10, 1761968), (13, 1355360), (16, 1101230), (20, 880984), (26, 677680), (32, 550615), (40, 440492), (43, 409760), (52, 338840), (65, 271072), (80, 220246), (86, 204880), (104, 169420), (130, 135536), (160, 110123), (172, 102440), (197, 89440), (208, 84710), (215, 81952), (260, 67768), (344, 51220), (394, 44720), (416, 42355), (430, 40976), (520, 33884), (559, 31520), (688, 25610), (788, 22360), (860, 20488), (985, 17888), (1040, 16942), (1118, 15760), (1376, 12805), (1576, 11180), (1720, 10244), (1970, 8944), (2080, 8471), (2236, 7880), (2561, 6880), (2795, 6304), (3152, 5590), (3440, 5122), (3940, 4472)]