28020125

素因数分解:

$5^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1033}}^1$

素因数の和:1086

約数の個数: 32

約数和(自身を含む): 41293824

約数和(自身を除く): 13273699

約数列:

[1, 5, 7, 25, 31, 35, 125, 155, 175, 217, 775, 875, 1033, 1085, 3875, 5165, 5425, 7231, 25825, 27125, 32023, 36155, 129125, 160115, 180775, 224161, 800575, 903875, 1120805, 4002875, 5604025, 28020125]

約数ペア:

[(1, 28020125), (5, 5604025), (7, 4002875), (25, 1120805), (31, 903875), (35, 800575), (125, 224161), (155, 180775), (175, 160115), (217, 129125), (775, 36155), (875, 32023), (1033, 27125), (1085, 25825), (3875, 7231), (5165, 5425)]