65320960

素因数分解:

$2^{11}\times 5^1\times {\mathrm{6379}}^1$

素因数の和:6406

約数の個数: 48

約数和(自身を含む): 156756600

約数和(自身を除く): 91435640

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, 5120, 6379, 10240, 12758, 25516, 31895, 51032, 63790, 102064, 127580, 204128, 255160, 408256, 510320, 816512, 1020640, 1633024, 2041280, 3266048, 4082560, 6532096, 8165120, 13064192, 16330240, 32660480, 65320960]

約数ペア:

[(1, 65320960), (2, 32660480), (4, 16330240), (5, 13064192), (8, 8165120), (10, 6532096), (16, 4082560), (20, 3266048), (32, 2041280), (40, 1633024), (64, 1020640), (80, 816512), (128, 510320), (160, 408256), (256, 255160), (320, 204128), (512, 127580), (640, 102064), (1024, 63790), (1280, 51032), (2048, 31895), (2560, 25516), (5120, 12758), (6379, 10240)]