2017004064520

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{123288757}}^1$

素因数の和:123289177

約数の個数: 32

約数和(自身を含む): 4549355170200

約数和(自身を除く): 2532351105680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 818, 1636, 2045, 3272, 4090, 8180, 16360, 123288757, 246577514, 493155028, 616443785, 986310056, 1232887570, 2465775140, 4931550280, 50425101613, 100850203226, 201700406452, 252125508065, 403400812904, 504251016130, 1008502032260, 2017004064520]

約数ペア:

[(1, 2017004064520), (2, 1008502032260), (4, 504251016130), (5, 403400812904), (8, 252125508065), (10, 201700406452), (20, 100850203226), (40, 50425101613), (409, 4931550280), (818, 2465775140), (1636, 1232887570), (2045, 986310056), (3272, 616443785), (4090, 493155028), (8180, 246577514), (16360, 123288757)]