4069188880

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{643859}}^1$

素因数の和:643951

約数の個数: 40

約数和(自身を含む): 9580636800

約数和(自身を除く): 5511447920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 643859, 1287718, 2575436, 3219295, 5150872, 6438590, 10301744, 12877180, 25754360, 50864861, 51508720, 101729722, 203459444, 254324305, 406918888, 508648610, 813837776, 1017297220, 2034594440, 4069188880]

約数ペア:

[(1, 4069188880), (2, 2034594440), (4, 1017297220), (5, 813837776), (8, 508648610), (10, 406918888), (16, 254324305), (20, 203459444), (40, 101729722), (79, 51508720), (80, 50864861), (158, 25754360), (316, 12877180), (395, 10301744), (632, 6438590), (790, 5150872), (1264, 3219295), (1580, 2575436), (3160, 1287718), (6320, 643859)]