2585240

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{1319}}^1$

素因数の和:1344

約数の個数: 48

約数和(自身を含む): 6771600

約数和(自身を除く): 4186360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1319, 1960, 2638, 5276, 6595, 9233, 10552, 13190, 18466, 26380, 36932, 46165, 52760, 64631, 73864, 92330, 129262, 184660, 258524, 323155, 369320, 517048, 646310, 1292620, 2585240]

約数ペア:

[(1, 2585240), (2, 1292620), (4, 646310), (5, 517048), (7, 369320), (8, 323155), (10, 258524), (14, 184660), (20, 129262), (28, 92330), (35, 73864), (40, 64631), (49, 52760), (56, 46165), (70, 36932), (98, 26380), (140, 18466), (196, 13190), (245, 10552), (280, 9233), (392, 6595), (490, 5276), (980, 2638), (1319, 1960)]