28299020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{34511}}^1$

素因数の和:34561

約数の個数: 24

約数和(自身を含む): 60879168

約数和(自身を除く): 32580148

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 34511, 69022, 138044, 172555, 345110, 690220, 1414951, 2829902, 5659804, 7074755, 14149510, 28299020]

約数ペア:

[(1, 28299020), (2, 14149510), (4, 7074755), (5, 5659804), (10, 2829902), (20, 1414951), (41, 690220), (82, 345110), (164, 172555), (205, 138044), (410, 69022), (820, 34511)]