87900970

素因数分解:

$2^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{20023}}^1$

素因数の和:20469

約数の個数: 16

約数和(自身を含む): 158590080

約数和(自身を除く): 70689110

約数列:

[1, 2, 5, 10, 439, 878, 2195, 4390, 20023, 40046, 100115, 200230, 8790097, 17580194, 43950485, 87900970]

約数ペア:

[(1, 87900970), (2, 43950485), (5, 17580194), (10, 8790097), (439, 200230), (878, 100115), (2195, 40046), (4390, 20023)]