20180828528

素因数分解:

$2^4\times 7^1\times {\mathrm{709}}^1\times {\mathrm{254141}}^1$

素因数の和:254865

約数の個数: 40

約数和(自身を含む): 44749323360

約数和(自身を除く): 24568494832

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 709, 1418, 2836, 4963, 5672, 9926, 11344, 19852, 39704, 79408, 254141, 508282, 1016564, 1778987, 2033128, 3557974, 4066256, 7115948, 14231896, 28463792, 180185969, 360371938, 720743876, 1261301783, 1441487752, 2522603566, 2882975504, 5045207132, 10090414264, 20180828528]

約数ペア:

[(1, 20180828528), (2, 10090414264), (4, 5045207132), (7, 2882975504), (8, 2522603566), (14, 1441487752), (16, 1261301783), (28, 720743876), (56, 360371938), (112, 180185969), (709, 28463792), (1418, 14231896), (2836, 7115948), (4963, 4066256), (5672, 3557974), (9926, 2033128), (11344, 1778987), (19852, 1016564), (39704, 508282), (79408, 254141)]