8896640

素因数分解:

$2^7\times 5^1\times {\mathrm{13901}}^1$

素因数の和:13920

約数の個数: 32

約数和(自身を含む): 21270060

約数和(自身を除く): 12373420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 13901, 27802, 55604, 69505, 111208, 139010, 222416, 278020, 444832, 556040, 889664, 1112080, 1779328, 2224160, 4448320, 8896640]

約数ペア:

[(1, 8896640), (2, 4448320), (4, 2224160), (5, 1779328), (8, 1112080), (10, 889664), (16, 556040), (20, 444832), (32, 278020), (40, 222416), (64, 139010), (80, 111208), (128, 69505), (160, 55604), (320, 27802), (640, 13901)]