13320725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{821}}^1$

素因数の和:901

約数の個数: 24

約数和(自身を含む): 18347040

約数和(自身を除く): 5026315

約数列:

[1, 5, 11, 25, 55, 59, 275, 295, 649, 821, 1475, 3245, 4105, 9031, 16225, 20525, 45155, 48439, 225775, 242195, 532829, 1210975, 2664145, 13320725]

約数ペア:

[(1, 13320725), (5, 2664145), (11, 1210975), (25, 532829), (55, 242195), (59, 225775), (275, 48439), (295, 45155), (649, 20525), (821, 16225), (1475, 9031), (3245, 4105)]