207645640

素因数分解:

$2^3\times 5^1\times {\mathrm{5191141}}^1$

素因数の和:5191152

約数の個数: 16

約数和(自身を含む): 467202780

約数和(自身を除く): 259557140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5191141, 10382282, 20764564, 25955705, 41529128, 51911410, 103822820, 207645640]

約数ペア:

[(1, 207645640), (2, 103822820), (4, 51911410), (5, 41529128), (8, 25955705), (10, 20764564), (20, 10382282), (40, 5191141)]