85709080

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{31981}}^1$

素因数の和:32059

約数の個数: 32

約数和(自身を含む): 195729840

約数和(自身を除く): 110020760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 31981, 63962, 127924, 159905, 255848, 319810, 639620, 1279240, 2142727, 4285454, 8570908, 10713635, 17141816, 21427270, 42854540, 85709080]

約数ペア:

[(1, 85709080), (2, 42854540), (4, 21427270), (5, 17141816), (8, 10713635), (10, 8570908), (20, 4285454), (40, 2142727), (67, 1279240), (134, 639620), (268, 319810), (335, 255848), (536, 159905), (670, 127924), (1340, 63962), (2680, 31981)]