40102564340

素因数分解:

$2^2\times 5^1\times {\mathrm{2005128217}}^1$

素因数の和:2005128226

約数の個数: 12

約数和(自身を含む): 84215385156

約数和(自身を除く): 44112820816

約数列:

[1, 2, 4, 5, 10, 20, 2005128217, 4010256434, 8020512868, 10025641085, 20051282170, 40102564340]

約数ペア:

[(1, 40102564340), (2, 20051282170), (4, 10025641085), (5, 8020512868), (10, 4010256434), (20, 2005128217)]