80591725

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{1249}}^1$

素因数の和:1377

約数の個数: 24

約数和(自身を含む): 104625000

約数和(自身を除く): 24033275

約数列:

[1, 5, 25, 29, 89, 145, 445, 725, 1249, 2225, 2581, 6245, 12905, 31225, 36221, 64525, 111161, 181105, 555805, 905525, 2779025, 3223669, 16118345, 80591725]

約数ペア:

[(1, 80591725), (5, 16118345), (25, 3223669), (29, 2779025), (89, 905525), (145, 555805), (445, 181105), (725, 111161), (1249, 64525), (2225, 36221), (2581, 31225), (6245, 12905)]