147811280

素因数分解:

$2^4\times 5^1\times {\mathrm{1847641}}^1$

素因数の和:1847654

約数の個数: 20

約数和(自身を含む): 343661412

約数和(自身を除く): 195850132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1847641, 3695282, 7390564, 9238205, 14781128, 18476410, 29562256, 36952820, 73905640, 147811280]

約数ペア:

[(1, 147811280), (2, 73905640), (4, 36952820), (5, 29562256), (8, 18476410), (10, 14781128), (16, 9238205), (20, 7390564), (40, 3695282), (80, 1847641)]