15691238140

素因数分解:

$2^2\times 5^1\times {\mathrm{784561907}}^1$

素因数の和:784561916

約数の個数: 12

約数和(自身を含む): 32951600136

約数和(自身を除く): 17260361996

約数列:

[1, 2, 4, 5, 10, 20, 784561907, 1569123814, 3138247628, 3922809535, 7845619070, 15691238140]

約数ペア:

[(1, 15691238140), (2, 7845619070), (4, 3922809535), (5, 3138247628), (10, 1569123814), (20, 784561907)]