42145840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1019}}^1$

素因数の和:1090

約数の個数: 80

約数和(自身を含む): 109278720

約数和(自身を除く): 67132880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 47, 55, 80, 88, 94, 110, 176, 188, 220, 235, 376, 440, 470, 517, 752, 880, 940, 1019, 1034, 1880, 2038, 2068, 2585, 3760, 4076, 4136, 5095, 5170, 8152, 8272, 10190, 10340, 11209, 16304, 20380, 20680, 22418, 40760, 41360, 44836, 47893, 56045, 81520, 89672, 95786, 112090, 179344, 191572, 224180, 239465, 383144, 448360, 478930, 526823, 766288, 896720, 957860, 1053646, 1915720, 2107292, 2634115, 3831440, 4214584, 5268230, 8429168, 10536460, 21072920, 42145840]

約数ペア:

[(1, 42145840), (2, 21072920), (4, 10536460), (5, 8429168), (8, 5268230), (10, 4214584), (11, 3831440), (16, 2634115), (20, 2107292), (22, 1915720), (40, 1053646), (44, 957860), (47, 896720), (55, 766288), (80, 526823), (88, 478930), (94, 448360), (110, 383144), (176, 239465), (188, 224180), (220, 191572), (235, 179344), (376, 112090), (440, 95786), (470, 89672), (517, 81520), (752, 56045), (880, 47893), (940, 44836), (1019, 41360), (1034, 40760), (1880, 22418), (2038, 20680), (2068, 20380), (2585, 16304), (3760, 11209), (4076, 10340), (4136, 10190), (5095, 8272), (5170, 8152)]