401025616

素因数分解:

$2^4\times {\mathrm{313}}^1\times {\mathrm{80077}}^1$

素因数の和:80398

約数の個数: 20

約数和(自身を含む): 779479252

約数和(自身を除く): 378453636

約数列:

[1, 2, 4, 8, 16, 313, 626, 1252, 2504, 5008, 80077, 160154, 320308, 640616, 1281232, 25064101, 50128202, 100256404, 200512808, 401025616]

約数ペア:

[(1, 401025616), (2, 200512808), (4, 100256404), (8, 50128202), (16, 25064101), (313, 1281232), (626, 640616), (1252, 320308), (2504, 160154), (5008, 80077)]