28080575

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1907}}^1$

素因数の和:1967

約数の個数: 24

約数和(自身を含む): 37854720

約数和(自身を除く): 9774145

約数列:

[1, 5, 19, 25, 31, 95, 155, 475, 589, 775, 1907, 2945, 9535, 14725, 36233, 47675, 59117, 181165, 295585, 905825, 1123223, 1477925, 5616115, 28080575]

約数ペア:

[(1, 28080575), (5, 5616115), (19, 1477925), (25, 1123223), (31, 905825), (95, 295585), (155, 181165), (475, 59117), (589, 47675), (775, 36233), (1907, 14725), (2945, 9535)]