201497221720

素因数分解:

$2^3\times 5^1\times {\mathrm{5037430543}}^1$

素因数の和:5037430554

約数の個数: 16

約数和(自身を含む): 453368748960

約数和(自身を除く): 251871527240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5037430543, 10074861086, 20149722172, 25187152715, 40299444344, 50374305430, 100748610860, 201497221720]

約数ペア:

[(1, 201497221720), (2, 100748610860), (4, 50374305430), (5, 40299444344), (8, 25187152715), (10, 20149722172), (20, 10074861086), (40, 5037430543)]