25895005

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:253

約数の個数: 32

約数和(自身を含む): 34473600

約数和(自身を除く): 8578595

約数列:

[1, 5, 19, 37, 53, 95, 139, 185, 265, 695, 703, 1007, 1961, 2641, 3515, 5035, 5143, 7367, 9805, 13205, 25715, 36835, 37259, 97717, 139973, 186295, 272579, 488585, 699865, 1362895, 5179001, 25895005]

約数ペア:

[(1, 25895005), (5, 5179001), (19, 1362895), (37, 699865), (53, 488585), (95, 272579), (139, 186295), (185, 139973), (265, 97717), (695, 37259), (703, 36835), (1007, 25715), (1961, 13205), (2641, 9805), (3515, 7367), (5035, 5143)]