25581280

素因数分解:

$2^5\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1583}}^1$

素因数の和:1699

約数の個数: 48

約数和(自身を含む): 61072704

約数和(自身を除く): 35491424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 101, 160, 202, 404, 505, 808, 1010, 1583, 1616, 2020, 3166, 3232, 4040, 6332, 7915, 8080, 12664, 15830, 16160, 25328, 31660, 50656, 63320, 126640, 159883, 253280, 319766, 639532, 799415, 1279064, 1598830, 2558128, 3197660, 5116256, 6395320, 12790640, 25581280]

約数ペア:

[(1, 25581280), (2, 12790640), (4, 6395320), (5, 5116256), (8, 3197660), (10, 2558128), (16, 1598830), (20, 1279064), (32, 799415), (40, 639532), (80, 319766), (101, 253280), (160, 159883), (202, 126640), (404, 63320), (505, 50656), (808, 31660), (1010, 25328), (1583, 16160), (1616, 15830), (2020, 12664), (3166, 8080), (3232, 7915), (4040, 6332)]