55522225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1999}}^1$

素因数の和:2121

約数の個数: 24

約数和(自身を含む): 75888000

約数和(自身を除く): 20365775

約数列:

[1, 5, 11, 25, 55, 101, 275, 505, 1111, 1999, 2525, 5555, 9995, 21989, 27775, 49975, 109945, 201899, 549725, 1009495, 2220889, 5047475, 11104445, 55522225]

約数ペア:

[(1, 55522225), (5, 11104445), (11, 5047475), (25, 2220889), (55, 1009495), (101, 549725), (275, 201899), (505, 109945), (1111, 49975), (1999, 27775), (2525, 21989), (5555, 9995)]