201845242120

素因数分解:

$2^3\times 5^1\times {\mathrm{19541}}^1\times {\mathrm{258233}}^1$

素因数の和:277785

約数の個数: 32

約数和(自身を含む): 454176794520

約数和(自身を除く): 252331552400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 19541, 39082, 78164, 97705, 156328, 195410, 258233, 390820, 516466, 781640, 1032932, 1291165, 2065864, 2582330, 5164660, 10329320, 5046131053, 10092262106, 20184524212, 25230655265, 40369048424, 50461310530, 100922621060, 201845242120]

約数ペア:

[(1, 201845242120), (2, 100922621060), (4, 50461310530), (5, 40369048424), (8, 25230655265), (10, 20184524212), (20, 10092262106), (40, 5046131053), (19541, 10329320), (39082, 5164660), (78164, 2582330), (97705, 2065864), (156328, 1291165), (195410, 1032932), (258233, 781640), (390820, 516466)]