39911440

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:344

約数の個数: 80

約数和(自身を含む): 98208000

約数和(自身を除く): 58296560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 109, 115, 184, 199, 218, 230, 368, 398, 436, 460, 545, 796, 872, 920, 995, 1090, 1592, 1744, 1840, 1990, 2180, 2507, 3184, 3980, 4360, 4577, 5014, 7960, 8720, 9154, 10028, 12535, 15920, 18308, 20056, 21691, 22885, 25070, 36616, 40112, 43382, 45770, 50140, 73232, 86764, 91540, 100280, 108455, 173528, 183080, 200560, 216910, 347056, 366160, 433820, 498893, 867640, 997786, 1735280, 1995572, 2494465, 3991144, 4988930, 7982288, 9977860, 19955720, 39911440]

約数ペア:

[(1, 39911440), (2, 19955720), (4, 9977860), (5, 7982288), (8, 4988930), (10, 3991144), (16, 2494465), (20, 1995572), (23, 1735280), (40, 997786), (46, 867640), (80, 498893), (92, 433820), (109, 366160), (115, 347056), (184, 216910), (199, 200560), (218, 183080), (230, 173528), (368, 108455), (398, 100280), (436, 91540), (460, 86764), (545, 73232), (796, 50140), (872, 45770), (920, 43382), (995, 40112), (1090, 36616), (1592, 25070), (1744, 22885), (1840, 21691), (1990, 20056), (2180, 18308), (2507, 15920), (3184, 12535), (3980, 10028), (4360, 9154), (4577, 8720), (5014, 7960)]