202102580

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{235003}}^1$

素因数の和:235055

約数の個数: 24

約数和(自身を含む): 434287392

約数和(自身を除く): 232184812

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 235003, 470006, 940012, 1175015, 2350030, 4700060, 10105129, 20210258, 40420516, 50525645, 101051290, 202102580]

約数ペア:

[(1, 202102580), (2, 101051290), (4, 50525645), (5, 40420516), (10, 20210258), (20, 10105129), (43, 4700060), (86, 2350030), (172, 1175015), (215, 940012), (430, 470006), (860, 235003)]