80878012

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{431}}^1\times {\mathrm{1091}}^1$

素因数の和:1569

約数の個数: 24

約数和(自身を含む): 145297152

約数和(自身を除く): 64419140

約数列:

[1, 2, 4, 43, 86, 172, 431, 862, 1091, 1724, 2182, 4364, 18533, 37066, 46913, 74132, 93826, 187652, 470221, 940442, 1880884, 20219503, 40439006, 80878012]

約数ペア:

[(1, 80878012), (2, 40439006), (4, 20219503), (43, 1880884), (86, 940442), (172, 470221), (431, 187652), (862, 93826), (1091, 74132), (1724, 46913), (2182, 37066), (4364, 18533)]