78521600

素因数分解:

$2^8\times 5^2\times {\mathrm{12269}}^1$

素因数の和:12295

約数の個数: 54

約数和(自身を含む): 194369070

約数和(自身を除く): 115847470

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 800, 1280, 1600, 3200, 6400, 12269, 24538, 49076, 61345, 98152, 122690, 196304, 245380, 306725, 392608, 490760, 613450, 785216, 981520, 1226900, 1570432, 1963040, 2453800, 3140864, 3926080, 4907600, 7852160, 9815200, 15704320, 19630400, 39260800, 78521600]

約数ペア:

[(1, 78521600), (2, 39260800), (4, 19630400), (5, 15704320), (8, 9815200), (10, 7852160), (16, 4907600), (20, 3926080), (25, 3140864), (32, 2453800), (40, 1963040), (50, 1570432), (64, 1226900), (80, 981520), (100, 785216), (128, 613450), (160, 490760), (200, 392608), (256, 306725), (320, 245380), (400, 196304), (640, 122690), (800, 98152), (1280, 61345), (1600, 49076), (3200, 24538), (6400, 12269)]