42664240

素因数分解:

$2^4\times 5^1\times {\mathrm{533303}}^1$

素因数の和:533316

約数の個数: 20

約数和(自身を含む): 99194544

約数和(自身を除く): 56530304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 533303, 1066606, 2133212, 2666515, 4266424, 5333030, 8532848, 10666060, 21332120, 42664240]

約数ペア:

[(1, 42664240), (2, 21332120), (4, 10666060), (5, 8532848), (8, 5333030), (10, 4266424), (16, 2666515), (20, 2133212), (40, 1066606), (80, 533303)]