25940620

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{9901}}^1$

素因数の和:10041

約数の個数: 24

約数和(自身を含む): 54896688

約数和(自身を除く): 28956068

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 9901, 19802, 39604, 49505, 99010, 198020, 1297031, 2594062, 5188124, 6485155, 12970310, 25940620]

約数ペア:

[(1, 25940620), (2, 12970310), (4, 6485155), (5, 5188124), (10, 2594062), (20, 1297031), (131, 198020), (262, 99010), (524, 49505), (655, 39604), (1310, 19802), (2620, 9901)]