2016081020

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{725209}}^1$

素因数の和:725357

約数の個数: 24

約数和(自身を含む): 4264234800

約数和(自身を除く): 2248153780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 725209, 1450418, 2900836, 3626045, 7252090, 14504180, 100804051, 201608102, 403216204, 504020255, 1008040510, 2016081020]

約数ペア:

[(1, 2016081020), (2, 1008040510), (4, 504020255), (5, 403216204), (10, 201608102), (20, 100804051), (139, 14504180), (278, 7252090), (556, 3626045), (695, 2900836), (1390, 1450418), (2780, 725209)]