8165120

素因数分解:

$2^8\times 5^1\times {\mathrm{6379}}^1$

素因数の和:6400

約数の個数: 36

約数和(自身を含む): 19561080

約数和(自身を除く): 11395960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 6379, 12758, 25516, 31895, 51032, 63790, 102064, 127580, 204128, 255160, 408256, 510320, 816512, 1020640, 1633024, 2041280, 4082560, 8165120]

約数ペア:

[(1, 8165120), (2, 4082560), (4, 2041280), (5, 1633024), (8, 1020640), (10, 816512), (16, 510320), (20, 408256), (32, 255160), (40, 204128), (64, 127580), (80, 102064), (128, 63790), (160, 51032), (256, 31895), (320, 25516), (640, 12758), (1280, 6379)]