56554325840

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{941}}^1\times {\mathrm{17471}}^1$

素因数の和:18468

約数の個数: 80

約数和(自身を含む): 134697378816

約数和(自身を除く): 78143052976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 941, 1720, 1882, 3440, 3764, 4705, 7528, 9410, 15056, 17471, 18820, 34942, 37640, 40463, 69884, 75280, 80926, 87355, 139768, 161852, 174710, 202315, 279536, 323704, 349420, 404630, 647408, 698840, 751253, 809260, 1397680, 1502506, 1618520, 3005012, 3237040, 3756265, 6010024, 7512530, 12020048, 15025060, 16440211, 30050120, 32880422, 60100240, 65760844, 82201055, 131521688, 164402110, 263043376, 328804220, 657608440, 706929073, 1315216880, 1413858146, 2827716292, 3534645365, 5655432584, 7069290730, 11310865168, 14138581460, 28277162920, 56554325840]

約数ペア:

[(1, 56554325840), (2, 28277162920), (4, 14138581460), (5, 11310865168), (8, 7069290730), (10, 5655432584), (16, 3534645365), (20, 2827716292), (40, 1413858146), (43, 1315216880), (80, 706929073), (86, 657608440), (172, 328804220), (215, 263043376), (344, 164402110), (430, 131521688), (688, 82201055), (860, 65760844), (941, 60100240), (1720, 32880422), (1882, 30050120), (3440, 16440211), (3764, 15025060), (4705, 12020048), (7528, 7512530), (9410, 6010024), (15056, 3756265), (17471, 3237040), (18820, 3005012), (34942, 1618520), (37640, 1502506), (40463, 1397680), (69884, 809260), (75280, 751253), (80926, 698840), (87355, 647408), (139768, 404630), (161852, 349420), (174710, 323704), (202315, 279536)]