7910320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:214

約数の個数: 80

約数和(自身を含む): 20489760

約数和(自身を除く): 12579440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 89, 101, 110, 176, 178, 202, 220, 356, 404, 440, 445, 505, 712, 808, 880, 890, 979, 1010, 1111, 1424, 1616, 1780, 1958, 2020, 2222, 3560, 3916, 4040, 4444, 4895, 5555, 7120, 7832, 8080, 8888, 8989, 9790, 11110, 15664, 17776, 17978, 19580, 22220, 35956, 39160, 44440, 44945, 71912, 78320, 88880, 89890, 98879, 143824, 179780, 197758, 359560, 395516, 494395, 719120, 791032, 988790, 1582064, 1977580, 3955160, 7910320]

約数ペア:

[(1, 7910320), (2, 3955160), (4, 1977580), (5, 1582064), (8, 988790), (10, 791032), (11, 719120), (16, 494395), (20, 395516), (22, 359560), (40, 197758), (44, 179780), (55, 143824), (80, 98879), (88, 89890), (89, 88880), (101, 78320), (110, 71912), (176, 44945), (178, 44440), (202, 39160), (220, 35956), (356, 22220), (404, 19580), (440, 17978), (445, 17776), (505, 15664), (712, 11110), (808, 9790), (880, 8989), (890, 8888), (979, 8080), (1010, 7832), (1111, 7120), (1424, 5555), (1616, 4895), (1780, 4444), (1958, 4040), (2020, 3916), (2222, 3560)]