15691152140

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1597877}}^1$

素因数の和:1598377

約数の個数: 24

約数和(自身を含む): 33018550992

約数和(自身を除く): 17327398852

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2455, 4910, 9820, 1597877, 3195754, 6391508, 7989385, 15978770, 31957540, 784557607, 1569115214, 3138230428, 3922788035, 7845576070, 15691152140]

約数ペア:

[(1, 15691152140), (2, 7845576070), (4, 3922788035), (5, 3138230428), (10, 1569115214), (20, 784557607), (491, 31957540), (982, 15978770), (1964, 7989385), (2455, 6391508), (4910, 3195754), (9820, 1597877)]