8679820

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2203}}^1$

素因数の和:2409

約数の個数: 24

約数和(自身を含む): 18328464

約数和(自身を除く): 9648644

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 2203, 3940, 4406, 8812, 11015, 22030, 44060, 433991, 867982, 1735964, 2169955, 4339910, 8679820]

約数ペア:

[(1, 8679820), (2, 4339910), (4, 2169955), (5, 1735964), (10, 867982), (20, 433991), (197, 44060), (394, 22030), (788, 11015), (985, 8812), (1970, 4406), (2203, 3940)]