2560326820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{349}}^1\times {\mathrm{21577}}^1$

素因数の和:21952

約数の個数: 48

約数和(自身を含む): 5709538800

約数和(自身を除く): 3149211980

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 349, 698, 1396, 1745, 3490, 5933, 6980, 11866, 21577, 23732, 29665, 43154, 59330, 86308, 107885, 118660, 215770, 366809, 431540, 733618, 1467236, 1834045, 3668090, 7336180, 7530373, 15060746, 30121492, 37651865, 75303730, 128016341, 150607460, 256032682, 512065364, 640081705, 1280163410, 2560326820]

約数ペア:

[(1, 2560326820), (2, 1280163410), (4, 640081705), (5, 512065364), (10, 256032682), (17, 150607460), (20, 128016341), (34, 75303730), (68, 37651865), (85, 30121492), (170, 15060746), (340, 7530373), (349, 7336180), (698, 3668090), (1396, 1834045), (1745, 1467236), (3490, 733618), (5933, 431540), (6980, 366809), (11866, 215770), (21577, 118660), (23732, 107885), (29665, 86308), (43154, 59330)]