123129040

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{12119}}^1$

素因数の和:12259

約数の個数: 40

約数和(自身を含む): 288552960

約数和(自身を除く): 165423920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 10160, 12119, 24238, 48476, 60595, 96952, 121190, 193904, 242380, 484760, 969520, 1539113, 3078226, 6156452, 7695565, 12312904, 15391130, 24625808, 30782260, 61564520, 123129040]

約数ペア:

[(1, 123129040), (2, 61564520), (4, 30782260), (5, 24625808), (8, 15391130), (10, 12312904), (16, 7695565), (20, 6156452), (40, 3078226), (80, 1539113), (127, 969520), (254, 484760), (508, 242380), (635, 193904), (1016, 121190), (1270, 96952), (2032, 60595), (2540, 48476), (5080, 24238), (10160, 12119)]