42189860

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{16103}}^1$

素因数の和:16243

約数の個数: 24

約数和(自身を含む): 89280576

約数和(自身を除く): 47090716

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 16103, 32206, 64412, 80515, 161030, 322060, 2109493, 4218986, 8437972, 10547465, 21094930, 42189860]

約数ペア:

[(1, 42189860), (2, 21094930), (4, 10547465), (5, 8437972), (10, 4218986), (20, 2109493), (131, 322060), (262, 161030), (524, 80515), (655, 64412), (1310, 32206), (2620, 16103)]