89688640

素因数分解:

$2^6\times 5^1\times {\mathrm{280277}}^1$

素因数の和:280294

約数の個数: 28

約数和(自身を含む): 213571836

約数和(自身を除く): 123883196

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 280277, 560554, 1121108, 1401385, 2242216, 2802770, 4484432, 5605540, 8968864, 11211080, 17937728, 22422160, 44844320, 89688640]

約数ペア:

[(1, 89688640), (2, 44844320), (4, 22422160), (5, 17937728), (8, 11211080), (10, 8968864), (16, 5605540), (20, 4484432), (32, 2802770), (40, 2242216), (64, 1401385), (80, 1121108), (160, 560554), (320, 280277)]