20042560

素因数分解:

$2^6\times 5^1\times {\mathrm{62633}}^1$

素因数の和:62650

約数の個数: 28

約数和(自身を含む): 47727108

約数和(自身を除く): 27684548

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 62633, 125266, 250532, 313165, 501064, 626330, 1002128, 1252660, 2004256, 2505320, 4008512, 5010640, 10021280, 20042560]

約数ペア:

[(1, 20042560), (2, 10021280), (4, 5010640), (5, 4008512), (8, 2505320), (10, 2004256), (16, 1252660), (20, 1002128), (32, 626330), (40, 501064), (64, 313165), (80, 250532), (160, 125266), (320, 62633)]