71219180

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{82813}}^1$

素因数の和:82865

約数の個数: 24

約数和(自身を含む): 153040272

約数和(自身を除く): 81821092

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 82813, 165626, 331252, 414065, 828130, 1656260, 3560959, 7121918, 14243836, 17804795, 35609590, 71219180]

約数ペア:

[(1, 71219180), (2, 35609590), (4, 17804795), (5, 14243836), (10, 7121918), (20, 3560959), (43, 1656260), (86, 828130), (172, 414065), (215, 331252), (430, 165626), (860, 82813)]