915341480

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{89041}}^1$

素因数の和:89309

約数の個数: 32

約数和(自身を含む): 2067555240

約数和(自身を除く): 1152213760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 5140, 10280, 89041, 178082, 356164, 445205, 712328, 890410, 1780820, 3561640, 22883537, 45767074, 91534148, 114417685, 183068296, 228835370, 457670740, 915341480]

約数ペア:

[(1, 915341480), (2, 457670740), (4, 228835370), (5, 183068296), (8, 114417685), (10, 91534148), (20, 45767074), (40, 22883537), (257, 3561640), (514, 1780820), (1028, 890410), (1285, 712328), (2056, 445205), (2570, 356164), (5140, 178082), (10280, 89041)]