99798080

素因数分解:

$2^6\times 5^1\times {\mathrm{311869}}^1$

素因数の和:311886

約数の個数: 28

約数和(自身を含む): 237644940

約数和(自身を除く): 137846860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 311869, 623738, 1247476, 1559345, 2494952, 3118690, 4989904, 6237380, 9979808, 12474760, 19959616, 24949520, 49899040, 99798080]

約数ペア:

[(1, 99798080), (2, 49899040), (4, 24949520), (5, 19959616), (8, 12474760), (10, 9979808), (16, 6237380), (20, 4989904), (32, 3118690), (40, 2494952), (64, 1559345), (80, 1247476), (160, 623738), (320, 311869)]