40840960

素因数分解:

$2^8\times 5^1\times {\mathrm{31907}}^1$

素因数の和:31928

約数の個数: 36

約数和(自身を含む): 97829928

約数和(自身を除く): 56988968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 31907, 63814, 127628, 159535, 255256, 319070, 510512, 638140, 1021024, 1276280, 2042048, 2552560, 4084096, 5105120, 8168192, 10210240, 20420480, 40840960]

約数ペア:

[(1, 40840960), (2, 20420480), (4, 10210240), (5, 8168192), (8, 5105120), (10, 4084096), (16, 2552560), (20, 2042048), (32, 1276280), (40, 1021024), (64, 638140), (80, 510512), (128, 319070), (160, 255256), (256, 159535), (320, 127628), (640, 63814), (1280, 31907)]