213885080

素因数分解:

$2^3\times 5^1\times {\mathrm{5347127}}^1$

素因数の和:5347138

約数の個数: 16

約数和(自身を含む): 481241520

約数和(自身を除く): 267356440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5347127, 10694254, 21388508, 26735635, 42777016, 53471270, 106942540, 213885080]

約数ペア:

[(1, 213885080), (2, 106942540), (4, 53471270), (5, 42777016), (8, 26735635), (10, 21388508), (20, 10694254), (40, 5347127)]