64170125

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{659}}^1$

素因数の和:734

約数の個数: 32

約数和(自身を含む): 86486400

約数和(自身を除く): 22316275

約数列:

[1, 5, 19, 25, 41, 95, 125, 205, 475, 659, 779, 1025, 2375, 3295, 3895, 5125, 12521, 16475, 19475, 27019, 62605, 82375, 97375, 135095, 313025, 513361, 675475, 1565125, 2566805, 3377375, 12834025, 64170125]

約数ペア:

[(1, 64170125), (5, 12834025), (19, 3377375), (25, 2566805), (41, 1565125), (95, 675475), (125, 513361), (205, 313025), (475, 135095), (659, 97375), (779, 82375), (1025, 62605), (2375, 27019), (3295, 19475), (3895, 16475), (5125, 12521)]