66100000

素因数分解:

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

素因数の和:696

約数の個数: 72

約数和(自身を含む): 162903636

約数和(自身を除く): 96803636

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 625, 661, 800, 1000, 1250, 1322, 2000, 2500, 2644, 3125, 3305, 4000, 5000, 5288, 6250, 6610, 10000, 10576, 12500, 13220, 16525, 20000, 21152, 25000, 26440, 33050, 50000, 52880, 66100, 82625, 100000, 105760, 132200, 165250, 264400, 330500, 413125, 528800, 661000, 826250, 1322000, 1652500, 2065625, 2644000, 3305000, 4131250, 6610000, 8262500, 13220000, 16525000, 33050000, 66100000]

約数ペア:

[(1, 66100000), (2, 33050000), (4, 16525000), (5, 13220000), (8, 8262500), (10, 6610000), (16, 4131250), (20, 3305000), (25, 2644000), (32, 2065625), (40, 1652500), (50, 1322000), (80, 826250), (100, 661000), (125, 528800), (160, 413125), (200, 330500), (250, 264400), (400, 165250), (500, 132200), (625, 105760), (661, 100000), (800, 82625), (1000, 66100), (1250, 52880), (1322, 50000), (2000, 33050), (2500, 26440), (2644, 25000), (3125, 21152), (3305, 20000), (4000, 16525), (5000, 13220), (5288, 12500), (6250, 10576), (6610, 10000)]