161492360

素因数分解:

$2^3\times 5^1\times {\mathrm{4037309}}^1$

素因数の和:4037320

約数の個数: 16

約数和(自身を含む): 363357900

約数和(自身を除く): 201865540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4037309, 8074618, 16149236, 20186545, 32298472, 40373090, 80746180, 161492360]

約数ペア:

[(1, 161492360), (2, 80746180), (4, 40373090), (5, 32298472), (8, 20186545), (10, 16149236), (20, 8074618), (40, 4037309)]