15691504720

素因数分解:

$2^4\times 5^1\times {\mathrm{196143809}}^1$

素因数の和:196143822

約数の個数: 20

約数和(自身を含む): 36482748660

約数和(自身を除く): 20791243940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 196143809, 392287618, 784575236, 980719045, 1569150472, 1961438090, 3138300944, 3922876180, 7845752360, 15691504720]

約数ペア:

[(1, 15691504720), (2, 7845752360), (4, 3922876180), (5, 3138300944), (8, 1961438090), (10, 1569150472), (16, 980719045), (20, 784575236), (40, 392287618), (80, 196143809)]