30801925

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{16001}}^1$

素因数の和:16029

約数の個数: 24

約数和(自身を含む): 47621952

約数和(自身を除く): 16820027

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 275, 385, 1925, 16001, 80005, 112007, 176011, 400025, 560035, 880055, 1232077, 2800175, 4400275, 6160385, 30801925]

約数ペア:

[(1, 30801925), (5, 6160385), (7, 4400275), (11, 2800175), (25, 1232077), (35, 880055), (55, 560035), (77, 400025), (175, 176011), (275, 112007), (385, 80005), (1925, 16001)]