1322000

素因数分解:

$2^4\times 5^3\times {\mathrm{661}}^1$

素因数の和:684

約数の個数: 40

約数和(自身を含む): 3201432

約数和(自身を除く): 1879432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 661, 1000, 1322, 2000, 2644, 3305, 5288, 6610, 10576, 13220, 16525, 26440, 33050, 52880, 66100, 82625, 132200, 165250, 264400, 330500, 661000, 1322000]

約数ペア:

[(1, 1322000), (2, 661000), (4, 330500), (5, 264400), (8, 165250), (10, 132200), (16, 82625), (20, 66100), (25, 52880), (40, 33050), (50, 26440), (80, 16525), (100, 13220), (125, 10576), (200, 6610), (250, 5288), (400, 3305), (500, 2644), (661, 2000), (1000, 1322)]