9687920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:234

約数の個数: 80

約数和(自身を含む): 25043040

約数和(自身を除く): 15355120

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 101, 109, 110, 176, 202, 218, 220, 404, 436, 440, 505, 545, 808, 872, 880, 1010, 1090, 1111, 1199, 1616, 1744, 2020, 2180, 2222, 2398, 4040, 4360, 4444, 4796, 5555, 5995, 8080, 8720, 8888, 9592, 11009, 11110, 11990, 17776, 19184, 22018, 22220, 23980, 44036, 44440, 47960, 55045, 88072, 88880, 95920, 110090, 121099, 176144, 220180, 242198, 440360, 484396, 605495, 880720, 968792, 1210990, 1937584, 2421980, 4843960, 9687920]

約数ペア:

[(1, 9687920), (2, 4843960), (4, 2421980), (5, 1937584), (8, 1210990), (10, 968792), (11, 880720), (16, 605495), (20, 484396), (22, 440360), (40, 242198), (44, 220180), (55, 176144), (80, 121099), (88, 110090), (101, 95920), (109, 88880), (110, 88072), (176, 55045), (202, 47960), (218, 44440), (220, 44036), (404, 23980), (436, 22220), (440, 22018), (505, 19184), (545, 17776), (808, 11990), (872, 11110), (880, 11009), (1010, 9592), (1090, 8888), (1111, 8720), (1199, 8080), (1616, 5995), (1744, 5555), (2020, 4796), (2180, 4444), (2222, 4360), (2398, 4040)]