25641700

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{5233}}^1$

素因数の和:5261

約数の個数: 54

約数和(自身を含む): 64739346

約数和(自身を除く): 39097646

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 5233, 10466, 20932, 26165, 36631, 52330, 73262, 104660, 130825, 146524, 183155, 256417, 261650, 366310, 512834, 523300, 732620, 915775, 1025668, 1282085, 1831550, 2564170, 3663100, 5128340, 6410425, 12820850, 25641700]

約数ペア:

[(1, 25641700), (2, 12820850), (4, 6410425), (5, 5128340), (7, 3663100), (10, 2564170), (14, 1831550), (20, 1282085), (25, 1025668), (28, 915775), (35, 732620), (49, 523300), (50, 512834), (70, 366310), (98, 261650), (100, 256417), (140, 183155), (175, 146524), (196, 130825), (245, 104660), (350, 73262), (490, 52330), (700, 36631), (980, 26165), (1225, 20932), (2450, 10466), (4900, 5233)]