38640640

素因数分解:

$2^{10}\times 5^1\times {\mathrm{7547}}^1$

素因数の和:7572

約数の個数: 44

約数和(自身を含む): 92704536

約数和(自身を除く): 54063896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 7547, 15094, 30188, 37735, 60376, 75470, 120752, 150940, 241504, 301880, 483008, 603760, 966016, 1207520, 1932032, 2415040, 3864064, 4830080, 7728128, 9660160, 19320320, 38640640]

約数ペア:

[(1, 38640640), (2, 19320320), (4, 9660160), (5, 7728128), (8, 4830080), (10, 3864064), (16, 2415040), (20, 1932032), (32, 1207520), (40, 966016), (64, 603760), (80, 483008), (128, 301880), (160, 241504), (256, 150940), (320, 120752), (512, 75470), (640, 60376), (1024, 37735), (1280, 30188), (2560, 15094), (5120, 7547)]