5078660

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1289}}^1$

素因数の和:1495

約数の個数: 24

約数和(自身を含む): 10727640

約数和(自身を除く): 5648980

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1289, 1970, 2578, 3940, 5156, 6445, 12890, 25780, 253933, 507866, 1015732, 1269665, 2539330, 5078660]

約数ペア:

[(1, 5078660), (2, 2539330), (4, 1269665), (5, 1015732), (10, 507866), (20, 253933), (197, 25780), (394, 12890), (788, 6445), (985, 5156), (1289, 3940), (1970, 2578)]