16916240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{409}}^1$

素因数の和:480

約数の個数: 80

約数和(自身を含む): 43925760

約数和(自身を除く): 27009520

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, 409, 440, 470, 517, 752, 818, 880, 940, 1034, 1636, 1880, 2045, 2068, 2585, 3272, 3760, 4090, 4136, 4499, 5170, 6544, 8180, 8272, 8998, 10340, 16360, 17996, 19223, 20680, 22495, 32720, 35992, 38446, 41360, 44990, 71984, 76892, 89980, 96115, 153784, 179960, 192230, 211453, 307568, 359920, 384460, 422906, 768920, 845812, 1057265, 1537840, 1691624, 2114530, 3383248, 4229060, 8458120, 16916240]

約数ペア:

[(1, 16916240), (2, 8458120), (4, 4229060), (5, 3383248), (8, 2114530), (10, 1691624), (11, 1537840), (16, 1057265), (20, 845812), (22, 768920), (40, 422906), (44, 384460), (47, 359920), (55, 307568), (80, 211453), (88, 192230), (94, 179960), (110, 153784), (176, 96115), (188, 89980), (220, 76892), (235, 71984), (376, 44990), (409, 41360), (440, 38446), (470, 35992), (517, 32720), (752, 22495), (818, 20680), (880, 19223), (940, 17996), (1034, 16360), (1636, 10340), (1880, 8998), (2045, 8272), (2068, 8180), (2585, 6544), (3272, 5170), (3760, 4499), (4090, 4136)]