8749203880

素因数分解:

$2^3\times 5^1\times {\mathrm{218730097}}^1$

素因数の和:218730108

約数の個数: 16

約数和(自身を含む): 19685708820

約数和(自身を除く): 10936504940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 218730097, 437460194, 874920388, 1093650485, 1749840776, 2187300970, 4374601940, 8749203880]

約数ペア:

[(1, 8749203880), (2, 4374601940), (4, 2187300970), (5, 1749840776), (8, 1093650485), (10, 874920388), (20, 437460194), (40, 218730097)]