40126720

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:120

約数の個数: 144

約数和(自身を含む): 105960960

約数和(自身を除く): 65834240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 29, 32, 40, 46, 47, 58, 64, 80, 92, 94, 115, 116, 128, 145, 160, 184, 188, 230, 232, 235, 256, 290, 320, 368, 376, 460, 464, 470, 580, 640, 667, 736, 752, 920, 928, 940, 1081, 1160, 1280, 1334, 1363, 1472, 1504, 1840, 1856, 1880, 2162, 2320, 2668, 2726, 2944, 3008, 3335, 3680, 3712, 3760, 4324, 4640, 5336, 5405, 5452, 5888, 6016, 6670, 6815, 7360, 7424, 7520, 8648, 9280, 10672, 10810, 10904, 12032, 13340, 13630, 14720, 15040, 17296, 18560, 21344, 21620, 21808, 26680, 27260, 29440, 30080, 31349, 34592, 37120, 42688, 43240, 43616, 53360, 54520, 60160, 62698, 69184, 85376, 86480, 87232, 106720, 109040, 125396, 138368, 156745, 170752, 172960, 174464, 213440, 218080, 250792, 276736, 313490, 345920, 348928, 426880, 436160, 501584, 626980, 691840, 853760, 872320, 1003168, 1253960, 1383680, 1744640, 2006336, 2507920, 4012672, 5015840, 8025344, 10031680, 20063360, 40126720]

約数ペア:

[(1, 40126720), (2, 20063360), (4, 10031680), (5, 8025344), (8, 5015840), (10, 4012672), (16, 2507920), (20, 2006336), (23, 1744640), (29, 1383680), (32, 1253960), (40, 1003168), (46, 872320), (47, 853760), (58, 691840), (64, 626980), (80, 501584), (92, 436160), (94, 426880), (115, 348928), (116, 345920), (128, 313490), (145, 276736), (160, 250792), (184, 218080), (188, 213440), (230, 174464), (232, 172960), (235, 170752), (256, 156745), (290, 138368), (320, 125396), (368, 109040), (376, 106720), (460, 87232), (464, 86480), (470, 85376), (580, 69184), (640, 62698), (667, 60160), (736, 54520), (752, 53360), (920, 43616), (928, 43240), (940, 42688), (1081, 37120), (1160, 34592), (1280, 31349), (1334, 30080), (1363, 29440), (1472, 27260), (1504, 26680), (1840, 21808), (1856, 21620), (1880, 21344), (2162, 18560), (2320, 17296), (2668, 15040), (2726, 14720), (2944, 13630), (3008, 13340), (3335, 12032), (3680, 10904), (3712, 10810), (3760, 10672), (4324, 9280), (4640, 8648), (5336, 7520), (5405, 7424), (5452, 7360), (5888, 6815), (6016, 6670)]