25210420

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{15187}}^1$

素因数の和:15279

約数の個数: 24

約数和(自身を含む): 53583264

約数和(自身を除く): 28372844

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 15187, 30374, 60748, 75935, 151870, 303740, 1260521, 2521042, 5042084, 6302605, 12605210, 25210420]

約数ペア:

[(1, 25210420), (2, 12605210), (4, 6302605), (5, 5042084), (10, 2521042), (20, 1260521), (83, 303740), (166, 151870), (332, 75935), (415, 60748), (830, 30374), (1660, 15187)]