123888640

素因数分解:

$2^{10}\times 5^1\times {\mathrm{24197}}^1$

素因数の和:24222

約数の個数: 44

約数和(自身を含む): 297199836

約数和(自身を除く): 173311196

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, 24197, 48394, 96788, 120985, 193576, 241970, 387152, 483940, 774304, 967880, 1548608, 1935760, 3097216, 3871520, 6194432, 7743040, 12388864, 15486080, 24777728, 30972160, 61944320, 123888640]

約数ペア:

[(1, 123888640), (2, 61944320), (4, 30972160), (5, 24777728), (8, 15486080), (10, 12388864), (16, 7743040), (20, 6194432), (32, 3871520), (40, 3097216), (64, 1935760), (80, 1548608), (128, 967880), (160, 774304), (256, 483940), (320, 387152), (512, 241970), (640, 193576), (1024, 120985), (1280, 96788), (2560, 48394), (5120, 24197)]