2017390640

素因数分解:

$2^4\times 5^1\times {\mathrm{6389}}^1\times {\mathrm{3947}}^1$

素因数の和:10349

約数の個数: 40

約数和(自身を含む): 4692355920

約数和(自身を除く): 2674965280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3947, 6389, 7894, 12778, 15788, 19735, 25556, 31576, 31945, 39470, 51112, 63152, 63890, 78940, 102224, 127780, 157880, 255560, 315760, 511120, 25217383, 50434766, 100869532, 126086915, 201739064, 252173830, 403478128, 504347660, 1008695320, 2017390640]

約数ペア:

[(1, 2017390640), (2, 1008695320), (4, 504347660), (5, 403478128), (8, 252173830), (10, 201739064), (16, 126086915), (20, 100869532), (40, 50434766), (80, 25217383), (3947, 511120), (6389, 315760), (7894, 255560), (12778, 157880), (15788, 127780), (19735, 102224), (25556, 78940), (31576, 63890), (31945, 63152), (39470, 51112)]