25551100

素因数分解:

$2^2\times 5^2\times {\mathrm{255511}}^1$

素因数の和:255525

約数の個数: 18

約数和(自身を含む): 55446104

約数和(自身を除く): 29895004

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 255511, 511022, 1022044, 1277555, 2555110, 5110220, 6387775, 12775550, 25551100]

約数ペア:

[(1, 25551100), (2, 12775550), (4, 6387775), (5, 5110220), (10, 2555110), (20, 1277555), (25, 1022044), (50, 511022), (100, 255511)]