201111140

素因数分解:

$2^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{31721}}^1$

素因数の和:32047

約数の個数: 24

約数和(自身を含む): 423679032

約数和(自身を除く): 222567892

約数列:

[1, 2, 4, 5, 10, 20, 317, 634, 1268, 1585, 3170, 6340, 31721, 63442, 126884, 158605, 317210, 634420, 10055557, 20111114, 40222228, 50277785, 100555570, 201111140]

約数ペア:

[(1, 201111140), (2, 100555570), (4, 50277785), (5, 40222228), (10, 20111114), (20, 10055557), (317, 634420), (634, 317210), (1268, 158605), (1585, 126884), (3170, 63442), (6340, 31721)]