8889400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^2\times {\mathrm{263}}^1$

素因数の和:305

約数の個数: 72

約数和(自身を含む): 22465080

約数和(自身を除く): 13575680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 169, 200, 260, 263, 325, 338, 520, 526, 650, 676, 845, 1052, 1300, 1315, 1352, 1690, 2104, 2600, 2630, 3380, 3419, 4225, 5260, 6575, 6760, 6838, 8450, 10520, 13150, 13676, 16900, 17095, 26300, 27352, 33800, 34190, 44447, 52600, 68380, 85475, 88894, 136760, 170950, 177788, 222235, 341900, 355576, 444470, 683800, 888940, 1111175, 1777880, 2222350, 4444700, 8889400]

約数ペア:

[(1, 8889400), (2, 4444700), (4, 2222350), (5, 1777880), (8, 1111175), (10, 888940), (13, 683800), (20, 444470), (25, 355576), (26, 341900), (40, 222235), (50, 177788), (52, 170950), (65, 136760), (100, 88894), (104, 85475), (130, 68380), (169, 52600), (200, 44447), (260, 34190), (263, 33800), (325, 27352), (338, 26300), (520, 17095), (526, 16900), (650, 13676), (676, 13150), (845, 10520), (1052, 8450), (1300, 6838), (1315, 6760), (1352, 6575), (1690, 5260), (2104, 4225), (2600, 3419), (2630, 3380)]