127587520

素因数分解:

$2^6\times 5^1\times {\mathrm{398711}}^1$

素因数の和:398728

約数の個数: 28

約数和(自身を含む): 303818544

約数和(自身を除く): 176231024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 398711, 797422, 1594844, 1993555, 3189688, 3987110, 6379376, 7974220, 12758752, 15948440, 25517504, 31896880, 63793760, 127587520]

約数ペア:

[(1, 127587520), (2, 63793760), (4, 31896880), (5, 25517504), (8, 15948440), (10, 12758752), (16, 7974220), (20, 6379376), (32, 3987110), (40, 3189688), (64, 1993555), (80, 1594844), (160, 797422), (320, 398711)]