8146700

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{1987}}^1$

素因数の和:2042

約数の個数: 36

約数和(自身を含む): 18118632

約数和(自身を除く): 9971932

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 1987, 2050, 3974, 4100, 7948, 9935, 19870, 39740, 49675, 81467, 99350, 162934, 198700, 325868, 407335, 814670, 1629340, 2036675, 4073350, 8146700]

約数ペア:

[(1, 8146700), (2, 4073350), (4, 2036675), (5, 1629340), (10, 814670), (20, 407335), (25, 325868), (41, 198700), (50, 162934), (82, 99350), (100, 81467), (164, 49675), (205, 39740), (410, 19870), (820, 9935), (1025, 7948), (1987, 4100), (2050, 3974)]