156728689840

素因数分解:

$2^4\times 5^1\times {\mathrm{1959108623}}^1$

素因数の和:1959108636

約数の個数: 20

約数和(自身を含む): 364394204064

約数和(自身を除く): 207665514224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1959108623, 3918217246, 7836434492, 9795543115, 15672868984, 19591086230, 31345737968, 39182172460, 78364344920, 156728689840]

約数ペア:

[(1, 156728689840), (2, 78364344920), (4, 39182172460), (5, 31345737968), (8, 19591086230), (10, 15672868984), (16, 9795543115), (20, 7836434492), (40, 3918217246), (80, 1959108623)]