39855070

素因数分解:

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

素因数の和:20435

約数の個数: 16

約数和(自身を含む): 72106848

約数和(自身を除く): 32251778

約数列:

[1, 2, 5, 10, 197, 394, 985, 1970, 20231, 40462, 101155, 202310, 3985507, 7971014, 19927535, 39855070]

約数ペア:

[(1, 39855070), (2, 19927535), (5, 7971014), (10, 3985507), (197, 202310), (394, 101155), (985, 40462), (1970, 20231)]