8547500

素因数分解:

$2^2\times 5^4\times {\mathrm{13}}^1\times {\mathrm{263}}^1$

素因数の和:300

約数の個数: 60

約数和(自身を含む): 20206032

約数和(自身を除く): 11658532

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 263, 325, 500, 526, 625, 650, 1052, 1250, 1300, 1315, 1625, 2500, 2630, 3250, 3419, 5260, 6500, 6575, 6838, 8125, 13150, 13676, 16250, 17095, 26300, 32500, 32875, 34190, 65750, 68380, 85475, 131500, 164375, 170950, 328750, 341900, 427375, 657500, 854750, 1709500, 2136875, 4273750, 8547500]

約数ペア:

[(1, 8547500), (2, 4273750), (4, 2136875), (5, 1709500), (10, 854750), (13, 657500), (20, 427375), (25, 341900), (26, 328750), (50, 170950), (52, 164375), (65, 131500), (100, 85475), (125, 68380), (130, 65750), (250, 34190), (260, 32875), (263, 32500), (325, 26300), (500, 17095), (526, 16250), (625, 13676), (650, 13150), (1052, 8125), (1250, 6838), (1300, 6575), (1315, 6500), (1625, 5260), (2500, 3419), (2630, 3250)]