25571560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{337}}^1$

素因数の和:626

約数の個数: 64

約数和(自身を含む): 66193920

約数和(自身を除く): 40622360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 271, 280, 337, 542, 674, 1084, 1348, 1355, 1685, 1897, 2168, 2359, 2696, 2710, 3370, 3794, 4718, 5420, 6740, 7588, 9436, 9485, 10840, 11795, 13480, 15176, 18872, 18970, 23590, 37940, 47180, 75880, 91327, 94360, 182654, 365308, 456635, 639289, 730616, 913270, 1278578, 1826540, 2557156, 3196445, 3653080, 5114312, 6392890, 12785780, 25571560]

約数ペア:

[(1, 25571560), (2, 12785780), (4, 6392890), (5, 5114312), (7, 3653080), (8, 3196445), (10, 2557156), (14, 1826540), (20, 1278578), (28, 913270), (35, 730616), (40, 639289), (56, 456635), (70, 365308), (140, 182654), (271, 94360), (280, 91327), (337, 75880), (542, 47180), (674, 37940), (1084, 23590), (1348, 18970), (1355, 18872), (1685, 15176), (1897, 13480), (2168, 11795), (2359, 10840), (2696, 9485), (2710, 9436), (3370, 7588), (3794, 6740), (4718, 5420)]