25439260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{16519}}^1$

素因数の和:16546

約数の個数: 48

約数和(自身を含む): 66608640

約数和(自身を除く): 41169380

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 16519, 33038, 66076, 82595, 115633, 165190, 181709, 231266, 330380, 363418, 462532, 578165, 726836, 908545, 1156330, 1271963, 1817090, 2312660, 2543926, 3634180, 5087852, 6359815, 12719630, 25439260]

約数ペア:

[(1, 25439260), (2, 12719630), (4, 6359815), (5, 5087852), (7, 3634180), (10, 2543926), (11, 2312660), (14, 1817090), (20, 1271963), (22, 1156330), (28, 908545), (35, 726836), (44, 578165), (55, 462532), (70, 363418), (77, 330380), (110, 231266), (140, 181709), (154, 165190), (220, 115633), (308, 82595), (385, 66076), (770, 33038), (1540, 16519)]