12760960

素因数分解:

$2^7\times 5^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:303

約数の個数: 64

約数和(自身を含む): 30942720

約数和(自身を除く): 18181760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 157, 160, 254, 314, 320, 508, 628, 635, 640, 785, 1016, 1256, 1270, 1570, 2032, 2512, 2540, 3140, 4064, 5024, 5080, 6280, 8128, 10048, 10160, 12560, 16256, 19939, 20096, 20320, 25120, 39878, 40640, 50240, 79756, 81280, 99695, 100480, 159512, 199390, 319024, 398780, 638048, 797560, 1276096, 1595120, 2552192, 3190240, 6380480, 12760960]

約数ペア:

[(1, 12760960), (2, 6380480), (4, 3190240), (5, 2552192), (8, 1595120), (10, 1276096), (16, 797560), (20, 638048), (32, 398780), (40, 319024), (64, 199390), (80, 159512), (127, 100480), (128, 99695), (157, 81280), (160, 79756), (254, 50240), (314, 40640), (320, 39878), (508, 25120), (628, 20320), (635, 20096), (640, 19939), (785, 16256), (1016, 12560), (1256, 10160), (1270, 10048), (1570, 8128), (2032, 6280), (2512, 5080), (2540, 5024), (3140, 4064)]