28564155280

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2568719}}^1$

素因数の和:2568871

約数の個数: 40

約数和(自身を含む): 66889468800

約数和(自身を除く): 38325313520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2780, 5560, 11120, 2568719, 5137438, 10274876, 12843595, 20549752, 25687190, 41099504, 51374380, 102748760, 205497520, 357051941, 714103882, 1428207764, 1785259705, 2856415528, 3570519410, 5712831056, 7141038820, 14282077640, 28564155280]

約数ペア:

[(1, 28564155280), (2, 14282077640), (4, 7141038820), (5, 5712831056), (8, 3570519410), (10, 2856415528), (16, 1785259705), (20, 1428207764), (40, 714103882), (80, 357051941), (139, 205497520), (278, 102748760), (556, 51374380), (695, 41099504), (1112, 25687190), (1390, 20549752), (2224, 12843595), (2780, 10274876), (5560, 5137438), (11120, 2568719)]