61564520

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{12119}}^1$

素因数の和:12257

約数の個数: 32

約数和(自身を含む): 139622400

約数和(自身を除く): 78057880

約数列:

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

約数ペア:

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