201644180

素因数分解:

$2^2\times 5^1\times {\mathrm{2711}}^1\times {\mathrm{3719}}^1$

素因数の和:6439

約数の個数: 24

約数和(自身を含む): 423722880

約数和(自身を除く): 222078700

約数列:

[1, 2, 4, 5, 10, 20, 2711, 3719, 5422, 7438, 10844, 13555, 14876, 18595, 27110, 37190, 54220, 74380, 10082209, 20164418, 40328836, 50411045, 100822090, 201644180]

約数ペア:

[(1, 201644180), (2, 100822090), (4, 50411045), (5, 40328836), (10, 20164418), (20, 10082209), (2711, 74380), (3719, 54220), (5422, 37190), (7438, 27110), (10844, 18595), (13555, 14876)]