11917840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{467}}^1$

素因数の和:520

約数の個数: 80

約数和(自身を含む): 31337280

約数和(自身を除く): 19419440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 55, 58, 80, 88, 110, 116, 145, 176, 220, 232, 290, 319, 440, 464, 467, 580, 638, 880, 934, 1160, 1276, 1595, 1868, 2320, 2335, 2552, 3190, 3736, 4670, 5104, 5137, 6380, 7472, 9340, 10274, 12760, 13543, 18680, 20548, 25520, 25685, 27086, 37360, 41096, 51370, 54172, 67715, 82192, 102740, 108344, 135430, 148973, 205480, 216688, 270860, 297946, 410960, 541720, 595892, 744865, 1083440, 1191784, 1489730, 2383568, 2979460, 5958920, 11917840]

約数ペア:

[(1, 11917840), (2, 5958920), (4, 2979460), (5, 2383568), (8, 1489730), (10, 1191784), (11, 1083440), (16, 744865), (20, 595892), (22, 541720), (29, 410960), (40, 297946), (44, 270860), (55, 216688), (58, 205480), (80, 148973), (88, 135430), (110, 108344), (116, 102740), (145, 82192), (176, 67715), (220, 54172), (232, 51370), (290, 41096), (319, 37360), (440, 27086), (464, 25685), (467, 25520), (580, 20548), (638, 18680), (880, 13543), (934, 12760), (1160, 10274), (1276, 9340), (1595, 7472), (1868, 6380), (2320, 5137), (2335, 5104), (2552, 4670), (3190, 3736)]