135020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:209

約数の個数: 24

約数和(自身を含む): 291984

約数和(自身を除く): 156964

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 157, 172, 215, 314, 430, 628, 785, 860, 1570, 3140, 6751, 13502, 27004, 33755, 67510, 135020]

約数ペア:

[(1, 135020), (2, 67510), (4, 33755), (5, 27004), (10, 13502), (20, 6751), (43, 3140), (86, 1570), (157, 860), (172, 785), (215, 628), (314, 430)]