25535840

素因数分解:

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

素因数の和:1356

約数の個数: 72

約数和(自身を含む): 66361680

約数和(自身を除く): 40825840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 242, 352, 440, 484, 605, 880, 968, 1210, 1319, 1760, 1936, 2420, 2638, 3872, 4840, 5276, 6595, 9680, 10552, 13190, 14509, 19360, 21104, 26380, 29018, 42208, 52760, 58036, 72545, 105520, 116072, 145090, 159599, 211040, 232144, 290180, 319198, 464288, 580360, 638396, 797995, 1160720, 1276792, 1595990, 2321440, 2553584, 3191980, 5107168, 6383960, 12767920, 25535840]

約数ペア:

[(1, 25535840), (2, 12767920), (4, 6383960), (5, 5107168), (8, 3191980), (10, 2553584), (11, 2321440), (16, 1595990), (20, 1276792), (22, 1160720), (32, 797995), (40, 638396), (44, 580360), (55, 464288), (80, 319198), (88, 290180), (110, 232144), (121, 211040), (160, 159599), (176, 145090), (220, 116072), (242, 105520), (352, 72545), (440, 58036), (484, 52760), (605, 42208), (880, 29018), (968, 26380), (1210, 21104), (1319, 19360), (1760, 14509), (1936, 13190), (2420, 10552), (2638, 9680), (3872, 6595), (4840, 5276)]