88771940

素因数分解:

$2^2\times 5^1\times {\mathrm{4438597}}^1$

素因数の和:4438606

約数の個数: 12

約数和(自身を含む): 186421116

約数和(自身を除く): 97649176

約数列:

[1, 2, 4, 5, 10, 20, 4438597, 8877194, 17754388, 22192985, 44385970, 88771940]

約数ペア:

[(1, 88771940), (2, 44385970), (4, 22192985), (5, 17754388), (10, 8877194), (20, 4438597)]