25652420

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{9791}}^1$

素因数の和:9931

約数の個数: 24

約数和(自身を含む): 54286848

約数和(自身を除く): 28634428

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 9791, 19582, 39164, 48955, 97910, 195820, 1282621, 2565242, 5130484, 6413105, 12826210, 25652420]

約数ペア:

[(1, 25652420), (2, 12826210), (4, 6413105), (5, 5130484), (10, 2565242), (20, 1282621), (131, 195820), (262, 97910), (524, 48955), (655, 39164), (1310, 19582), (2620, 9791)]