159691520

素因数分解:

$2^8\times 5^1\times {\mathrm{124759}}^1$

素因数の和:124780

約数の個数: 36

約数和(自身を含む): 382514160

約数和(自身を除く): 222822640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 124759, 249518, 499036, 623795, 998072, 1247590, 1996144, 2495180, 3992288, 4990360, 7984576, 9980720, 15969152, 19961440, 31938304, 39922880, 79845760, 159691520]

約数ペア:

[(1, 159691520), (2, 79845760), (4, 39922880), (5, 31938304), (8, 19961440), (10, 15969152), (16, 9980720), (20, 7984576), (32, 4990360), (40, 3992288), (64, 2495180), (80, 1996144), (128, 1247590), (160, 998072), (256, 623795), (320, 499036), (640, 249518), (1280, 124759)]