2004690620

素因数分解:

$2^2\times 5^1\times {\mathrm{1291}}^1\times {\mathrm{77641}}^1$

素因数の和:78941

約数の個数: 24

約数和(自身を含む): 4213165488

約数和(自身を除く): 2208474868

約数列:

[1, 2, 4, 5, 10, 20, 1291, 2582, 5164, 6455, 12910, 25820, 77641, 155282, 310564, 388205, 776410, 1552820, 100234531, 200469062, 400938124, 501172655, 1002345310, 2004690620]

約数ペア:

[(1, 2004690620), (2, 1002345310), (4, 501172655), (5, 400938124), (10, 200469062), (20, 100234531), (1291, 1552820), (2582, 776410), (5164, 388205), (6455, 310564), (12910, 155282), (25820, 77641)]