2051230520

素因数分解:

$2^3\times 5^1\times {\mathrm{51280763}}^1$

素因数の和:51280774

約数の個数: 16

約数和(自身を含む): 4615268760

約数和(自身を除く): 2564038240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 51280763, 102561526, 205123052, 256403815, 410246104, 512807630, 1025615260, 2051230520]

約数ペア:

[(1, 2051230520), (2, 1025615260), (4, 512807630), (5, 410246104), (8, 256403815), (10, 205123052), (20, 102561526), (40, 51280763)]