8199884080

素因数分解:

$2^4\times 5^1\times {\mathrm{102498551}}^1$

素因数の和:102498564

約数の個数: 20

約数和(自身を含む): 19064730672

約数和(自身を除く): 10864846592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 102498551, 204997102, 409994204, 512492755, 819988408, 1024985510, 1639976816, 2049971020, 4099942040, 8199884080]

約数ペア:

[(1, 8199884080), (2, 4099942040), (4, 2049971020), (5, 1639976816), (8, 1024985510), (10, 819988408), (16, 512492755), (20, 409994204), (40, 204997102), (80, 102498551)]