91405840

素因数分解:

$2^4\times 5^1\times {\mathrm{1142573}}^1$

素因数の和:1142586

約数の個数: 20

約数和(自身を含む): 212518764

約数和(自身を除く): 121112924

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1142573, 2285146, 4570292, 5712865, 9140584, 11425730, 18281168, 22851460, 45702920, 91405840]

約数ペア:

[(1, 91405840), (2, 45702920), (4, 22851460), (5, 18281168), (8, 11425730), (10, 9140584), (16, 5712865), (20, 4570292), (40, 2285146), (80, 1142573)]