7728012440

素因数分解:

$2^3\times 5^1\times {\mathrm{947}}^1\times {\mathrm{204013}}^1$

素因数の和:204971

約数の個数: 32

約数和(自身を含む): 17406474480

約数和(自身を除く): 9678462040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 947, 1894, 3788, 4735, 7576, 9470, 18940, 37880, 204013, 408026, 816052, 1020065, 1632104, 2040130, 4080260, 8160520, 193200311, 386400622, 772801244, 966001555, 1545602488, 1932003110, 3864006220, 7728012440]

約数ペア:

[(1, 7728012440), (2, 3864006220), (4, 1932003110), (5, 1545602488), (8, 966001555), (10, 772801244), (20, 386400622), (40, 193200311), (947, 8160520), (1894, 4080260), (3788, 2040130), (4735, 1632104), (7576, 1020065), (9470, 816052), (18940, 408026), (37880, 204013)]