9376840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:334

約数の個数: 64

約数和(自身を含む): 23353920

約数和(自身を除く): 13977080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 101, 110, 202, 211, 220, 404, 422, 440, 505, 808, 844, 1010, 1055, 1111, 1688, 2020, 2110, 2222, 2321, 4040, 4220, 4444, 4642, 5555, 8440, 8888, 9284, 11110, 11605, 18568, 21311, 22220, 23210, 42622, 44440, 46420, 85244, 92840, 106555, 170488, 213110, 234421, 426220, 468842, 852440, 937684, 1172105, 1875368, 2344210, 4688420, 9376840]

約数ペア:

[(1, 9376840), (2, 4688420), (4, 2344210), (5, 1875368), (8, 1172105), (10, 937684), (11, 852440), (20, 468842), (22, 426220), (40, 234421), (44, 213110), (55, 170488), (88, 106555), (101, 92840), (110, 85244), (202, 46420), (211, 44440), (220, 42622), (404, 23210), (422, 22220), (440, 21311), (505, 18568), (808, 11605), (844, 11110), (1010, 9284), (1055, 8888), (1111, 8440), (1688, 5555), (2020, 4642), (2110, 4444), (2222, 4220), (2321, 4040)]