8458120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{409}}^1$

素因数の和:478

約数の個数: 64

約数和(自身を含む): 21254400

約数和(自身を除く): 12796280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 88, 94, 110, 188, 220, 235, 376, 409, 440, 470, 517, 818, 940, 1034, 1636, 1880, 2045, 2068, 2585, 3272, 4090, 4136, 4499, 5170, 8180, 8998, 10340, 16360, 17996, 19223, 20680, 22495, 35992, 38446, 44990, 76892, 89980, 96115, 153784, 179960, 192230, 211453, 384460, 422906, 768920, 845812, 1057265, 1691624, 2114530, 4229060, 8458120]

約数ペア:

[(1, 8458120), (2, 4229060), (4, 2114530), (5, 1691624), (8, 1057265), (10, 845812), (11, 768920), (20, 422906), (22, 384460), (40, 211453), (44, 192230), (47, 179960), (55, 153784), (88, 96115), (94, 89980), (110, 76892), (188, 44990), (220, 38446), (235, 35992), (376, 22495), (409, 20680), (440, 19223), (470, 17996), (517, 16360), (818, 10340), (940, 8998), (1034, 8180), (1636, 5170), (1880, 4499), (2045, 4136), (2068, 4090), (2585, 3272)]