1979248640

素因数分解:

$2^{12}\times 5^1\times {\mathrm{96643}}^1$

素因数の和:96672

約数の個数: 52

約数和(自身を含む): 4749666024

約数和(自身を除く): 2770417384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 4096, 5120, 10240, 20480, 96643, 193286, 386572, 483215, 773144, 966430, 1546288, 1932860, 3092576, 3865720, 6185152, 7731440, 12370304, 15462880, 24740608, 30925760, 49481216, 61851520, 98962432, 123703040, 197924864, 247406080, 395849728, 494812160, 989624320, 1979248640]

約数ペア:

[(1, 1979248640), (2, 989624320), (4, 494812160), (5, 395849728), (8, 247406080), (10, 197924864), (16, 123703040), (20, 98962432), (32, 61851520), (40, 49481216), (64, 30925760), (80, 24740608), (128, 15462880), (160, 12370304), (256, 7731440), (320, 6185152), (512, 3865720), (640, 3092576), (1024, 1932860), (1280, 1546288), (2048, 966430), (2560, 773144), (4096, 483215), (5120, 386572), (10240, 193286), (20480, 96643)]