66615560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1499}}^1$

素因数の和:1622

約数の個数: 64

約数和(自身を含む): 165240000

約数和(自身を除く): 98624440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 101, 110, 202, 220, 404, 440, 505, 808, 1010, 1111, 1499, 2020, 2222, 2998, 4040, 4444, 5555, 5996, 7495, 8888, 11110, 11992, 14990, 16489, 22220, 29980, 32978, 44440, 59960, 65956, 82445, 131912, 151399, 164890, 302798, 329780, 605596, 659560, 756995, 1211192, 1513990, 1665389, 3027980, 3330778, 6055960, 6661556, 8326945, 13323112, 16653890, 33307780, 66615560]

約数ペア:

[(1, 66615560), (2, 33307780), (4, 16653890), (5, 13323112), (8, 8326945), (10, 6661556), (11, 6055960), (20, 3330778), (22, 3027980), (40, 1665389), (44, 1513990), (55, 1211192), (88, 756995), (101, 659560), (110, 605596), (202, 329780), (220, 302798), (404, 164890), (440, 151399), (505, 131912), (808, 82445), (1010, 65956), (1111, 59960), (1499, 44440), (2020, 32978), (2222, 29980), (2998, 22220), (4040, 16489), (4444, 14990), (5555, 11992), (5996, 11110), (7495, 8888)]