26424740

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 57344112

約数和(自身を除く): 30919372

約数列:

[1, 2, 4, 5, 10, 20, 53, 97, 106, 194, 212, 257, 265, 388, 485, 514, 530, 970, 1028, 1060, 1285, 1940, 2570, 5140, 5141, 10282, 13621, 20564, 24929, 25705, 27242, 49858, 51410, 54484, 68105, 99716, 102820, 124645, 136210, 249290, 272420, 498580, 1321237, 2642474, 5284948, 6606185, 13212370, 26424740]

約数ペア:

[(1, 26424740), (2, 13212370), (4, 6606185), (5, 5284948), (10, 2642474), (20, 1321237), (53, 498580), (97, 272420), (106, 249290), (194, 136210), (212, 124645), (257, 102820), (265, 99716), (388, 68105), (485, 54484), (514, 51410), (530, 49858), (970, 27242), (1028, 25705), (1060, 24929), (1285, 20564), (1940, 13621), (2570, 10282), (5140, 5141)]