79710140

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{20231}}^1$

素因数の和:20437

約数の個数: 24

約数和(自身を含む): 168249312

約数和(自身を除く): 88539172

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 20231, 40462, 80924, 101155, 202310, 404620, 3985507, 7971014, 15942028, 19927535, 39855070, 79710140]

約数ペア:

[(1, 79710140), (2, 39855070), (4, 19927535), (5, 15942028), (10, 7971014), (20, 3985507), (197, 404620), (394, 202310), (788, 101155), (985, 80924), (1970, 40462), (3940, 20231)]