25971880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{881}}^1$

素因数の和:970

約数の個数: 64

約数和(自身を含む): 64774080

約数和(自身を除く): 38802200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 67, 88, 110, 134, 220, 268, 335, 440, 536, 670, 737, 881, 1340, 1474, 1762, 2680, 2948, 3524, 3685, 4405, 5896, 7048, 7370, 8810, 9691, 14740, 17620, 19382, 29480, 35240, 38764, 48455, 59027, 77528, 96910, 118054, 193820, 236108, 295135, 387640, 472216, 590270, 649297, 1180540, 1298594, 2361080, 2597188, 3246485, 5194376, 6492970, 12985940, 25971880]

約数ペア:

[(1, 25971880), (2, 12985940), (4, 6492970), (5, 5194376), (8, 3246485), (10, 2597188), (11, 2361080), (20, 1298594), (22, 1180540), (40, 649297), (44, 590270), (55, 472216), (67, 387640), (88, 295135), (110, 236108), (134, 193820), (220, 118054), (268, 96910), (335, 77528), (440, 59027), (536, 48455), (670, 38764), (737, 35240), (881, 29480), (1340, 19382), (1474, 17620), (1762, 14740), (2680, 9691), (2948, 8810), (3524, 7370), (3685, 7048), (4405, 5896)]