40657280

素因数分解:

$2^7\times 5^1\times {\mathrm{63527}}^1$

素因数の和:63546

約数の個数: 32

約数和(自身を含む): 97197840

約数和(自身を除く): 56540560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 63527, 127054, 254108, 317635, 508216, 635270, 1016432, 1270540, 2032864, 2541080, 4065728, 5082160, 8131456, 10164320, 20328640, 40657280]

約数ペア:

[(1, 40657280), (2, 20328640), (4, 10164320), (5, 8131456), (8, 5082160), (10, 4065728), (16, 2541080), (20, 2032864), (32, 1270540), (40, 1016432), (64, 635270), (80, 508216), (128, 317635), (160, 254108), (320, 127054), (640, 63527)]