2162215780

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1368491}}^1$

素因数の和:1368579

約数の個数: 24

約数和(自身を含む): 4598133120

約数和(自身を除く): 2435917340

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 1368491, 2736982, 5473964, 6842455, 13684910, 27369820, 108110789, 216221578, 432443156, 540553945, 1081107890, 2162215780]

約数ペア:

[(1, 2162215780), (2, 1081107890), (4, 540553945), (5, 432443156), (10, 216221578), (20, 108110789), (79, 27369820), (158, 13684910), (316, 6842455), (395, 5473964), (790, 2736982), (1580, 1368491)]