200660

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:215

約数の個数: 24

約数和(自身を含む): 430080

約数和(自身を除く): 229420

約数列:

[1, 2, 4, 5, 10, 20, 79, 127, 158, 254, 316, 395, 508, 635, 790, 1270, 1580, 2540, 10033, 20066, 40132, 50165, 100330, 200660]

約数ペア:

[(1, 200660), (2, 100330), (4, 50165), (5, 40132), (10, 20066), (20, 10033), (79, 2540), (127, 1580), (158, 1270), (254, 790), (316, 635), (395, 508)]