16900025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{757}}^1$

素因数の和:833

約数の個数: 24

約数和(自身を含む): 22558080

約数和(自身を除く): 5658055

約数列:

[1, 5, 19, 25, 47, 95, 235, 475, 757, 893, 1175, 3785, 4465, 14383, 18925, 22325, 35579, 71915, 177895, 359575, 676001, 889475, 3380005, 16900025]

約数ペア:

[(1, 16900025), (5, 3380005), (19, 889475), (25, 676001), (47, 359575), (95, 177895), (235, 71915), (475, 35579), (757, 22325), (893, 18925), (1175, 14383), (3785, 4465)]