2021287925

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{1249}}^1\times {\mathrm{3407}}^1$

素因数の和:4685

約数の個数: 24

約数和(自身を含む): 2641200000

約数和(自身を除く): 619912075

約数列:

[1, 5, 19, 25, 95, 475, 1249, 3407, 6245, 17035, 23731, 31225, 64733, 85175, 118655, 323665, 593275, 1618325, 4255343, 21276715, 80851517, 106383575, 404257585, 2021287925]

約数ペア:

[(1, 2021287925), (5, 404257585), (19, 106383575), (25, 80851517), (95, 21276715), (475, 4255343), (1249, 1618325), (3407, 593275), (6245, 323665), (17035, 118655), (23731, 85175), (31225, 64733)]