4081475375

素因数分解:

$5^3\times {\mathrm{1621}}^1\times {\mathrm{20143}}^1$

素因数の和:21779

約数の個数: 16

約数和(自身を含む): 5097076608

約数和(自身を除く): 1015601233

約数列:

[1, 5, 25, 125, 1621, 8105, 20143, 40525, 100715, 202625, 503575, 2517875, 32651803, 163259015, 816295075, 4081475375]

約数ペア:

[(1, 4081475375), (5, 816295075), (25, 163259015), (125, 32651803), (1621, 2517875), (8105, 503575), (20143, 202625), (40525, 100715)]