138216804520

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{8703829}}^1$

素因数の和:8704237

約数の個数: 32

約数和(自身を含む): 311771190600

約数和(自身を除く): 173554386080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 1588, 1985, 3176, 3970, 7940, 15880, 8703829, 17407658, 34815316, 43519145, 69630632, 87038290, 174076580, 348153160, 3455420113, 6910840226, 13821680452, 17277100565, 27643360904, 34554201130, 69108402260, 138216804520]

約数ペア:

[(1, 138216804520), (2, 69108402260), (4, 34554201130), (5, 27643360904), (8, 17277100565), (10, 13821680452), (20, 6910840226), (40, 3455420113), (397, 348153160), (794, 174076580), (1588, 87038290), (1985, 69630632), (3176, 43519145), (3970, 34815316), (7940, 17407658), (15880, 8703829)]