66912100

素因数分解:

$2^2\times 5^2\times {\mathrm{669121}}^1$

素因数の和:669135

約数の個数: 18

約数和(自身を含む): 145199474

約数和(自身を除く): 78287374

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 669121, 1338242, 2676484, 3345605, 6691210, 13382420, 16728025, 33456050, 66912100]

約数ペア:

[(1, 66912100), (2, 33456050), (4, 16728025), (5, 13382420), (10, 6691210), (20, 3345605), (25, 2676484), (50, 1338242), (100, 669121)]