25340840

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{1847}}^1$

素因数の和:1879

約数の個数: 64

約数和(自身を含む): 66528000

約数和(自身を除く): 41187160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1847, 1960, 2744, 3430, 3694, 6860, 7388, 9235, 12929, 13720, 14776, 18470, 25858, 36940, 51716, 64645, 73880, 90503, 103432, 129290, 181006, 258580, 362012, 452515, 517160, 633521, 724024, 905030, 1267042, 1810060, 2534084, 3167605, 3620120, 5068168, 6335210, 12670420, 25340840]

約数ペア:

[(1, 25340840), (2, 12670420), (4, 6335210), (5, 5068168), (7, 3620120), (8, 3167605), (10, 2534084), (14, 1810060), (20, 1267042), (28, 905030), (35, 724024), (40, 633521), (49, 517160), (56, 452515), (70, 362012), (98, 258580), (140, 181006), (196, 129290), (245, 103432), (280, 90503), (343, 73880), (392, 64645), (490, 51716), (686, 36940), (980, 25858), (1372, 18470), (1715, 14776), (1847, 13720), (1960, 12929), (2744, 9235), (3430, 7388), (3694, 6860)]