2011122560

素因数分解:

$2^7\times 5^1\times {\mathrm{3142379}}^1$

素因数の和:3142398

約数の個数: 32

約数和(自身を含む): 4807841400

約数和(自身を除く): 2796718840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 3142379, 6284758, 12569516, 15711895, 25139032, 31423790, 50278064, 62847580, 100556128, 125695160, 201112256, 251390320, 402224512, 502780640, 1005561280, 2011122560]

約数ペア:

[(1, 2011122560), (2, 1005561280), (4, 502780640), (5, 402224512), (8, 251390320), (10, 201112256), (16, 125695160), (20, 100556128), (32, 62847580), (40, 50278064), (64, 31423790), (80, 25139032), (128, 15711895), (160, 12569516), (320, 6284758), (640, 3142379)]