4273750

素因数分解:

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

素因数の和:298

約数の個数: 40

約数和(自身を含む): 8659728

約数和(自身を除く): 4385978

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 263, 325, 526, 625, 650, 1250, 1315, 1625, 2630, 3250, 3419, 6575, 6838, 8125, 13150, 16250, 17095, 32875, 34190, 65750, 85475, 164375, 170950, 328750, 427375, 854750, 2136875, 4273750]

約数ペア:

[(1, 4273750), (2, 2136875), (5, 854750), (10, 427375), (13, 328750), (25, 170950), (26, 164375), (50, 85475), (65, 65750), (125, 34190), (130, 32875), (250, 17095), (263, 16250), (325, 13150), (526, 8125), (625, 6838), (650, 6575), (1250, 3419), (1315, 3250), (1625, 2630)]