63998000

素因数分解:

$2^4\times 5^3\times {\mathrm{11}}^1\times {\mathrm{2909}}^1$

素因数の和:2943

約数の個数: 80

約数和(自身を含む): 168873120

約数和(自身を除く): 104875120

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 125, 176, 200, 220, 250, 275, 400, 440, 500, 550, 880, 1000, 1100, 1375, 2000, 2200, 2750, 2909, 4400, 5500, 5818, 11000, 11636, 14545, 22000, 23272, 29090, 31999, 46544, 58180, 63998, 72725, 116360, 127996, 145450, 159995, 232720, 255992, 290900, 319990, 363625, 511984, 581800, 639980, 727250, 799975, 1163600, 1279960, 1454500, 1599950, 2559920, 2909000, 3199900, 3999875, 5818000, 6399800, 7999750, 12799600, 15999500, 31999000, 63998000]

約数ペア:

[(1, 63998000), (2, 31999000), (4, 15999500), (5, 12799600), (8, 7999750), (10, 6399800), (11, 5818000), (16, 3999875), (20, 3199900), (22, 2909000), (25, 2559920), (40, 1599950), (44, 1454500), (50, 1279960), (55, 1163600), (80, 799975), (88, 727250), (100, 639980), (110, 581800), (125, 511984), (176, 363625), (200, 319990), (220, 290900), (250, 255992), (275, 232720), (400, 159995), (440, 145450), (500, 127996), (550, 116360), (880, 72725), (1000, 63998), (1100, 58180), (1375, 46544), (2000, 31999), (2200, 29090), (2750, 23272), (2909, 22000), (4400, 14545), (5500, 11636), (5818, 11000)]