9968558540

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2530091}}^1$

素因数の和:2530297

約数の個数: 24

約数和(自身を含む): 21040245072

約数和(自身を除く): 11071686532

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 2530091, 5060182, 10120364, 12650455, 25300910, 50601820, 498427927, 996855854, 1993711708, 2492139635, 4984279270, 9968558540]

約数ペア:

[(1, 9968558540), (2, 4984279270), (4, 2492139635), (5, 1993711708), (10, 996855854), (20, 498427927), (197, 50601820), (394, 25300910), (788, 12650455), (985, 10120364), (1970, 5060182), (3940, 2530091)]