25255580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{25771}}^1$

素因数の和:25794

約数の個数: 36

約数和(自身を含む): 61698168

約数和(自身を除く): 36442588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 25771, 51542, 103084, 128855, 180397, 257710, 360794, 515420, 721588, 901985, 1262779, 1803970, 2525558, 3607940, 5051116, 6313895, 12627790, 25255580]

約数ペア:

[(1, 25255580), (2, 12627790), (4, 6313895), (5, 5051116), (7, 3607940), (10, 2525558), (14, 1803970), (20, 1262779), (28, 901985), (35, 721588), (49, 515420), (70, 360794), (98, 257710), (140, 180397), (196, 128855), (245, 103084), (490, 51542), (980, 25771)]