1026800020

素因数分解:

$2^2\times 5^1\times {\mathrm{383}}^1\times {\mathrm{134047}}^1$

素因数の和:134439

約数の個数: 24

約数和(自身を含む): 2161926144

約数和(自身を除く): 1135126124

約数列:

[1, 2, 4, 5, 10, 20, 383, 766, 1532, 1915, 3830, 7660, 134047, 268094, 536188, 670235, 1340470, 2680940, 51340001, 102680002, 205360004, 256700005, 513400010, 1026800020]

約数ペア:

[(1, 1026800020), (2, 513400010), (4, 256700005), (5, 205360004), (10, 102680002), (20, 51340001), (383, 2680940), (766, 1340470), (1532, 670235), (1915, 536188), (3830, 268094), (7660, 134047)]