57408025

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{6361}}^1$

素因数の和:6409

約数の個数: 18

約数和(自身を含む): 75141582

約数和(自身を除く): 17733557

約数列:

[1, 5, 19, 25, 95, 361, 475, 1805, 6361, 9025, 31805, 120859, 159025, 604295, 2296321, 3021475, 11481605, 57408025]

約数ペア:

[(1, 57408025), (5, 11481605), (19, 3021475), (25, 2296321), (95, 604295), (361, 159025), (475, 120859), (1805, 31805), (6361, 9025)]