25154660

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{12211}}^1$

素因数の和:12323

約数の個数: 24

約数和(自身を含む): 53342016

約数和(自身を除く): 28187356

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 12211, 24422, 48844, 61055, 122110, 244220, 1257733, 2515466, 5030932, 6288665, 12577330, 25154660]

約数ペア:

[(1, 25154660), (2, 12577330), (4, 6288665), (5, 5030932), (10, 2515466), (20, 1257733), (103, 244220), (206, 122110), (412, 61055), (515, 48844), (1030, 24422), (2060, 12211)]