38708080

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1$

素因数の和:338

約数の個数: 80

約数和(自身を含む): 95261760

約数和(自身を除く): 56553680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 109, 115, 184, 193, 218, 230, 368, 386, 436, 460, 545, 772, 872, 920, 965, 1090, 1544, 1744, 1840, 1930, 2180, 2507, 3088, 3860, 4360, 4439, 5014, 7720, 8720, 8878, 10028, 12535, 15440, 17756, 20056, 21037, 22195, 25070, 35512, 40112, 42074, 44390, 50140, 71024, 84148, 88780, 100280, 105185, 168296, 177560, 200560, 210370, 336592, 355120, 420740, 483851, 841480, 967702, 1682960, 1935404, 2419255, 3870808, 4838510, 7741616, 9677020, 19354040, 38708080]

約数ペア:

[(1, 38708080), (2, 19354040), (4, 9677020), (5, 7741616), (8, 4838510), (10, 3870808), (16, 2419255), (20, 1935404), (23, 1682960), (40, 967702), (46, 841480), (80, 483851), (92, 420740), (109, 355120), (115, 336592), (184, 210370), (193, 200560), (218, 177560), (230, 168296), (368, 105185), (386, 100280), (436, 88780), (460, 84148), (545, 71024), (772, 50140), (872, 44390), (920, 42074), (965, 40112), (1090, 35512), (1544, 25070), (1744, 22195), (1840, 21037), (1930, 20056), (2180, 17756), (2507, 15440), (3088, 12535), (3860, 10028), (4360, 8878), (4439, 8720), (5014, 7720)]