71349020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{87011}}^1$

素因数の和:87061

約数の個数: 24

約数和(自身を含む): 153489168

約数和(自身を除く): 82140148

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 87011, 174022, 348044, 435055, 870110, 1740220, 3567451, 7134902, 14269804, 17837255, 35674510, 71349020]

約数ペア:

[(1, 71349020), (2, 35674510), (4, 17837255), (5, 14269804), (10, 7134902), (20, 3567451), (41, 1740220), (82, 870110), (164, 435055), (205, 348044), (410, 174022), (820, 87011)]