2051286320

素因数分解:

$2^4\times 5^1\times {\mathrm{25641079}}^1$

素因数の和:25641092

約数の個数: 20

約数和(自身を含む): 4769240880

約数和(自身を除く): 2717954560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25641079, 51282158, 102564316, 128205395, 205128632, 256410790, 410257264, 512821580, 1025643160, 2051286320]

約数ペア:

[(1, 2051286320), (2, 1025643160), (4, 512821580), (5, 410257264), (8, 256410790), (10, 205128632), (16, 128205395), (20, 102564316), (40, 51282158), (80, 25641079)]