87900920

素因数分解:

$2^3\times 5^1\times {\mathrm{2197523}}^1$

素因数の和:2197534

約数の個数: 16

約数和(自身を含む): 197777160

約数和(自身を除く): 109876240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2197523, 4395046, 8790092, 10987615, 17580184, 21975230, 43950460, 87900920]

約数ペア:

[(1, 87900920), (2, 43950460), (4, 21975230), (5, 17580184), (8, 10987615), (10, 8790092), (20, 4395046), (40, 2197523)]