26440000

素因数分解:

$2^6\times 5^4\times {\mathrm{661}}^1$

素因数の和:693

約数の個数: 70

約数和(自身を含む): 65661794

約数和(自身を除く): 39221794

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, 625, 661, 800, 1000, 1250, 1322, 1600, 2000, 2500, 2644, 3305, 4000, 5000, 5288, 6610, 8000, 10000, 10576, 13220, 16525, 20000, 21152, 26440, 33050, 40000, 42304, 52880, 66100, 82625, 105760, 132200, 165250, 211520, 264400, 330500, 413125, 528800, 661000, 826250, 1057600, 1322000, 1652500, 2644000, 3305000, 5288000, 6610000, 13220000, 26440000]

約数ペア:

[(1, 26440000), (2, 13220000), (4, 6610000), (5, 5288000), (8, 3305000), (10, 2644000), (16, 1652500), (20, 1322000), (25, 1057600), (32, 826250), (40, 661000), (50, 528800), (64, 413125), (80, 330500), (100, 264400), (125, 211520), (160, 165250), (200, 132200), (250, 105760), (320, 82625), (400, 66100), (500, 52880), (625, 42304), (661, 40000), (800, 33050), (1000, 26440), (1250, 21152), (1322, 20000), (1600, 16525), (2000, 13220), (2500, 10576), (2644, 10000), (3305, 8000), (4000, 6610), (5000, 5288)]