40746640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2437}}^1$

素因数の和:2480

約数の個数: 80

約数和(自身を含む): 108832320

約数和(自身を除く): 68085680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 2090, 2437, 3344, 4180, 4874, 8360, 9748, 12185, 16720, 19496, 24370, 26807, 38992, 46303, 48740, 53614, 92606, 97480, 107228, 134035, 185212, 194960, 214456, 231515, 268070, 370424, 428912, 463030, 509333, 536140, 740848, 926060, 1018666, 1072280, 1852120, 2037332, 2144560, 2546665, 3704240, 4074664, 5093330, 8149328, 10186660, 20373320, 40746640]

約数ペア:

[(1, 40746640), (2, 20373320), (4, 10186660), (5, 8149328), (8, 5093330), (10, 4074664), (11, 3704240), (16, 2546665), (19, 2144560), (20, 2037332), (22, 1852120), (38, 1072280), (40, 1018666), (44, 926060), (55, 740848), (76, 536140), (80, 509333), (88, 463030), (95, 428912), (110, 370424), (152, 268070), (176, 231515), (190, 214456), (209, 194960), (220, 185212), (304, 134035), (380, 107228), (418, 97480), (440, 92606), (760, 53614), (836, 48740), (880, 46303), (1045, 38992), (1520, 26807), (1672, 24370), (2090, 19496), (2437, 16720), (3344, 12185), (4180, 9748), (4874, 8360)]