91991450

素因数分解:

$2^1\times 5^2\times {\mathrm{419}}^1\times {\mathrm{4391}}^1$

素因数の和:4822

約数の個数: 24

約数和(自身を含む): 171551520

約数和(自身を除く): 79560070

約数列:

[1, 2, 5, 10, 25, 50, 419, 838, 2095, 4190, 4391, 8782, 10475, 20950, 21955, 43910, 109775, 219550, 1839829, 3679658, 9199145, 18398290, 45995725, 91991450]

約数ペア:

[(1, 91991450), (2, 45995725), (5, 18398290), (10, 9199145), (25, 3679658), (50, 1839829), (419, 219550), (838, 109775), (2095, 43910), (4190, 21955), (4391, 20950), (8782, 10475)]