25218860

素因数分解:

$2^2\times 5^1\times {\mathrm{653}}^1\times {\mathrm{1931}}^1$

素因数の和:2593

約数の個数: 24

約数和(自身を含む): 53068176

約数和(自身を除く): 27849316

約数列:

[1, 2, 4, 5, 10, 20, 653, 1306, 1931, 2612, 3265, 3862, 6530, 7724, 9655, 13060, 19310, 38620, 1260943, 2521886, 5043772, 6304715, 12609430, 25218860]

約数ペア:

[(1, 25218860), (2, 12609430), (4, 6304715), (5, 5043772), (10, 2521886), (20, 1260943), (653, 38620), (1306, 19310), (1931, 13060), (2612, 9655), (3265, 7724), (3862, 6530)]