1966100

素因数分解:

$2^2\times 5^2\times {\mathrm{19661}}^1$

素因数の和:19675

約数の個数: 18

約数和(自身を含む): 4266654

約数和(自身を除く): 2300554

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 19661, 39322, 78644, 98305, 196610, 393220, 491525, 983050, 1966100]

約数ペア:

[(1, 1966100), (2, 983050), (4, 491525), (5, 393220), (10, 196610), (20, 98305), (25, 78644), (50, 39322), (100, 19661)]