205847120

素因数分解:

$2^4\times 5^1\times {\mathrm{317}}^1\times {\mathrm{8117}}^1$

素因数の和:8447

約数の個数: 40

約数和(自身を含む): 480163464

約数和(自身を除く): 274316344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 317, 634, 1268, 1585, 2536, 3170, 5072, 6340, 8117, 12680, 16234, 25360, 32468, 40585, 64936, 81170, 129872, 162340, 324680, 649360, 2573089, 5146178, 10292356, 12865445, 20584712, 25730890, 41169424, 51461780, 102923560, 205847120]

約数ペア:

[(1, 205847120), (2, 102923560), (4, 51461780), (5, 41169424), (8, 25730890), (10, 20584712), (16, 12865445), (20, 10292356), (40, 5146178), (80, 2573089), (317, 649360), (634, 324680), (1268, 162340), (1585, 129872), (2536, 81170), (3170, 64936), (5072, 40585), (6340, 32468), (8117, 25360), (12680, 16234)]