89101940

素因数分解:

$2^2\times 5^1\times {\mathrm{4455097}}^1$

素因数の和:4455106

約数の個数: 12

約数和(自身を含む): 187114116

約数和(自身を除く): 98012176

約数列:

[1, 2, 4, 5, 10, 20, 4455097, 8910194, 17820388, 22275485, 44550970, 89101940]

約数ペア:

[(1, 89101940), (2, 44550970), (4, 22275485), (5, 17820388), (10, 8910194), (20, 4455097)]