28889725

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1069}}^1$

素因数の和:1149

約数の個数: 24

約数和(自身を含む): 38211840

約数和(自身を除く): 9322115

約数列:

[1, 5, 23, 25, 47, 115, 235, 575, 1069, 1081, 1175, 5345, 5405, 24587, 26725, 27025, 50243, 122935, 251215, 614675, 1155589, 1256075, 5777945, 28889725]

約数ペア:

[(1, 28889725), (5, 5777945), (23, 1256075), (25, 1155589), (47, 614675), (115, 251215), (235, 122935), (575, 50243), (1069, 27025), (1081, 26725), (1175, 24587), (5345, 5405)]