51385700

素因数分解:

$2^2\times 5^2\times {\mathrm{317}}^1\times {\mathrm{1621}}^1$

素因数の和:1952

約数の個数: 36

約数和(自身を含む): 111927732

約数和(自身を除く): 60542032

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 317, 634, 1268, 1585, 1621, 3170, 3242, 6340, 6484, 7925, 8105, 15850, 16210, 31700, 32420, 40525, 81050, 162100, 513857, 1027714, 2055428, 2569285, 5138570, 10277140, 12846425, 25692850, 51385700]

約数ペア:

[(1, 51385700), (2, 25692850), (4, 12846425), (5, 10277140), (10, 5138570), (20, 2569285), (25, 2055428), (50, 1027714), (100, 513857), (317, 162100), (634, 81050), (1268, 40525), (1585, 32420), (1621, 31700), (3170, 16210), (3242, 15850), (6340, 8105), (6484, 7925)]