228059620

素因数分解:

$2^2\times 5^1\times {\mathrm{2131}}^1\times {\mathrm{5351}}^1$

素因数の和:7491

約数の個数: 24

約数和(自身を含む): 479239488

約数和(自身を除く): 251179868

約数列:

[1, 2, 4, 5, 10, 20, 2131, 4262, 5351, 8524, 10655, 10702, 21310, 21404, 26755, 42620, 53510, 107020, 11402981, 22805962, 45611924, 57014905, 114029810, 228059620]

約数ペア:

[(1, 228059620), (2, 114029810), (4, 57014905), (5, 45611924), (10, 22805962), (20, 11402981), (2131, 107020), (4262, 53510), (5351, 42620), (8524, 26755), (10655, 21404), (10702, 21310)]