86918080

素因数分解:

$2^6\times 5^1\times {\mathrm{271619}}^1$

素因数の和:271636

約数の個数: 28

約数和(自身を含む): 206974440

約数和(自身を除く): 120056360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 271619, 543238, 1086476, 1358095, 2172952, 2716190, 4345904, 5432380, 8691808, 10864760, 17383616, 21729520, 43459040, 86918080]

約数ペア:

[(1, 86918080), (2, 43459040), (4, 21729520), (5, 17383616), (8, 10864760), (10, 8691808), (16, 5432380), (20, 4345904), (32, 2716190), (40, 2172952), (64, 1358095), (80, 1086476), (160, 543238), (320, 271619)]