15694408720

素因数分解:

$2^4\times 5^1\times {\mathrm{196180109}}^1$

素因数の和:196180122

約数の個数: 20

約数和(自身を含む): 36489500460

約数和(自身を除く): 20795091740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 196180109, 392360218, 784720436, 980900545, 1569440872, 1961801090, 3138881744, 3923602180, 7847204360, 15694408720]

約数ペア:

[(1, 15694408720), (2, 7847204360), (4, 3923602180), (5, 3138881744), (8, 1961801090), (10, 1569440872), (16, 980900545), (20, 784720436), (40, 392360218), (80, 196180109)]