65840225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12601}}^1$

素因数の和:12641

約数の個数: 24

約数和(自身を含む): 93758880

約数和(自身を除く): 27918655

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 275, 475, 1045, 5225, 12601, 63005, 138611, 239419, 315025, 693055, 1197095, 2633609, 3465275, 5985475, 13168045, 65840225]

約数ペア:

[(1, 65840225), (5, 13168045), (11, 5985475), (19, 3465275), (25, 2633609), (55, 1197095), (95, 693055), (209, 315025), (275, 239419), (475, 138611), (1045, 63005), (5225, 12601)]