201320725

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{347}}^1\times {\mathrm{1009}}^1$

素因数の和:1389

約数の個数: 24

約数和(自身を含む): 261501120

約数和(自身を除く): 60180395

約数列:

[1, 5, 23, 25, 115, 347, 575, 1009, 1735, 5045, 7981, 8675, 23207, 25225, 39905, 116035, 199525, 350123, 580175, 1750615, 8052829, 8753075, 40264145, 201320725]

約数ペア:

[(1, 201320725), (5, 40264145), (23, 8753075), (25, 8052829), (115, 1750615), (347, 580175), (575, 350123), (1009, 199525), (1735, 116035), (5045, 39905), (7981, 25225), (8675, 23207)]