6646100

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{1621}}^1$

素因数の和:1676

約数の個数: 36

約数和(自身を含む): 14782908

約数和(自身を除く): 8136808

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 1621, 2050, 3242, 4100, 6484, 8105, 16210, 32420, 40525, 66461, 81050, 132922, 162100, 265844, 332305, 664610, 1329220, 1661525, 3323050, 6646100]

約数ペア:

[(1, 6646100), (2, 3323050), (4, 1661525), (5, 1329220), (10, 664610), (20, 332305), (25, 265844), (41, 162100), (50, 132922), (82, 81050), (100, 66461), (164, 40525), (205, 32420), (410, 16210), (820, 8105), (1025, 6484), (1621, 4100), (2050, 3242)]