5288000

素因数分解:

$2^6\times 5^3\times {\mathrm{661}}^1$

素因数の和:688

約数の個数: 56

約数和(自身を含む): 13115544

約数和(自身を除く): 7827544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 500, 661, 800, 1000, 1322, 1600, 2000, 2644, 3305, 4000, 5288, 6610, 8000, 10576, 13220, 16525, 21152, 26440, 33050, 42304, 52880, 66100, 82625, 105760, 132200, 165250, 211520, 264400, 330500, 528800, 661000, 1057600, 1322000, 2644000, 5288000]

約数ペア:

[(1, 5288000), (2, 2644000), (4, 1322000), (5, 1057600), (8, 661000), (10, 528800), (16, 330500), (20, 264400), (25, 211520), (32, 165250), (40, 132200), (50, 105760), (64, 82625), (80, 66100), (100, 52880), (125, 42304), (160, 33050), (200, 26440), (250, 21152), (320, 16525), (400, 13220), (500, 10576), (661, 8000), (800, 6610), (1000, 5288), (1322, 4000), (1600, 3305), (2000, 2644)]