12767920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1319}}^1$

素因数の和:1354

約数の個数: 60

約数和(自身を含む): 32654160

約数和(自身を除く): 19886240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1319, 1936, 2420, 2638, 4840, 5276, 6595, 9680, 10552, 13190, 14509, 21104, 26380, 29018, 52760, 58036, 72545, 105520, 116072, 145090, 159599, 232144, 290180, 319198, 580360, 638396, 797995, 1160720, 1276792, 1595990, 2553584, 3191980, 6383960, 12767920]

約数ペア:

[(1, 12767920), (2, 6383960), (4, 3191980), (5, 2553584), (8, 1595990), (10, 1276792), (11, 1160720), (16, 797995), (20, 638396), (22, 580360), (40, 319198), (44, 290180), (55, 232144), (80, 159599), (88, 145090), (110, 116072), (121, 105520), (176, 72545), (220, 58036), (242, 52760), (440, 29018), (484, 26380), (605, 21104), (880, 14509), (968, 13190), (1210, 10552), (1319, 9680), (1936, 6595), (2420, 5276), (2638, 4840)]