205236575

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{503}}^1\times {\mathrm{859}}^1$

素因数の和:1391

約数の個数: 24

約数和(自身を含む): 268732800

約数和(自身を除く): 63496225

約数列:

[1, 5, 19, 25, 95, 475, 503, 859, 2515, 4295, 9557, 12575, 16321, 21475, 47785, 81605, 238925, 408025, 432077, 2160385, 8209463, 10801925, 41047315, 205236575]

約数ペア:

[(1, 205236575), (5, 41047315), (19, 10801925), (25, 8209463), (95, 2160385), (475, 432077), (503, 408025), (859, 238925), (2515, 81605), (4295, 47785), (9557, 21475), (12575, 16321)]