26497250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:324

約数の個数: 64

約数和(自身を含む): 55351296

約数和(自身を除く): 28854046

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 125, 130, 155, 250, 263, 310, 325, 403, 526, 650, 775, 806, 1315, 1550, 1625, 2015, 2630, 3250, 3419, 3875, 4030, 6575, 6838, 7750, 8153, 10075, 13150, 16306, 17095, 20150, 32875, 34190, 40765, 50375, 65750, 81530, 85475, 100750, 105989, 170950, 203825, 211978, 407650, 427375, 529945, 854750, 1019125, 1059890, 2038250, 2649725, 5299450, 13248625, 26497250]

約数ペア:

[(1, 26497250), (2, 13248625), (5, 5299450), (10, 2649725), (13, 2038250), (25, 1059890), (26, 1019125), (31, 854750), (50, 529945), (62, 427375), (65, 407650), (125, 211978), (130, 203825), (155, 170950), (250, 105989), (263, 100750), (310, 85475), (325, 81530), (403, 65750), (526, 50375), (650, 40765), (775, 34190), (806, 32875), (1315, 20150), (1550, 17095), (1625, 16306), (2015, 13150), (2630, 10075), (3250, 8153), (3419, 7750), (3875, 6838), (4030, 6575)]