26328220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18541}}^1$

素因数の和:18621

約数の個数: 24

約数和(自身を含む): 56071008

約数和(自身を除く): 29742788

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 18541, 37082, 74164, 92705, 185410, 370820, 1316411, 2632822, 5265644, 6582055, 13164110, 26328220]

約数ペア:

[(1, 26328220), (2, 13164110), (4, 6582055), (5, 5265644), (10, 2632822), (20, 1316411), (71, 370820), (142, 185410), (284, 92705), (355, 74164), (710, 37082), (1420, 18541)]