201520145

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1\times {\mathrm{2237}}^1$

素因数の和:2704

約数の個数: 16

約数和(自身を含む): 248149440

約数和(自身を除く): 46629295

約数列:

[1, 5, 43, 215, 419, 2095, 2237, 11185, 18017, 90085, 96191, 480955, 937303, 4686515, 40304029, 201520145]

約数ペア:

[(1, 201520145), (5, 40304029), (43, 4686515), (215, 937303), (419, 480955), (2095, 96191), (2237, 90085), (11185, 18017)]