7847702920

素因数分解:

$2^3\times 5^1\times {\mathrm{196192573}}^1$

素因数の和:196192584

約数の個数: 16

約数和(自身を含む): 17657331660

約数和(自身を除く): 9809628740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 196192573, 392385146, 784770292, 980962865, 1569540584, 1961925730, 3923851460, 7847702920]

約数ペア:

[(1, 7847702920), (2, 3923851460), (4, 1961925730), (5, 1569540584), (8, 980962865), (10, 784770292), (20, 392385146), (40, 196192573)]