104256640

素因数分解:

$2^7\times 5^1\times {\mathrm{162901}}^1$

素因数の和:162920

約数の個数: 32

約数和(自身を含む): 249240060

約数和(自身を除く): 144983420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 162901, 325802, 651604, 814505, 1303208, 1629010, 2606416, 3258020, 5212832, 6516040, 10425664, 13032080, 20851328, 26064160, 52128320, 104256640]

約数ペア:

[(1, 104256640), (2, 52128320), (4, 26064160), (5, 20851328), (8, 13032080), (10, 10425664), (16, 6516040), (20, 5212832), (32, 3258020), (40, 2606416), (64, 1629010), (80, 1303208), (128, 814505), (160, 651604), (320, 325802), (640, 162901)]