78192125

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:159

約数の個数: 64

約数和(自身を含む): 116363520

約数和(自身を除く): 38171395

約数列:

[1, 5, 11, 19, 25, 41, 55, 73, 95, 125, 205, 209, 275, 365, 451, 475, 779, 803, 1025, 1045, 1375, 1387, 1825, 2255, 2375, 2993, 3895, 4015, 5125, 5225, 6935, 8569, 9125, 11275, 14965, 15257, 19475, 20075, 26125, 32923, 34675, 42845, 56375, 56867, 74825, 76285, 97375, 100375, 164615, 173375, 214225, 284335, 374125, 381425, 625537, 823075, 1071125, 1421675, 1907125, 3127685, 4115375, 7108375, 15638425, 78192125]

約数ペア:

[(1, 78192125), (5, 15638425), (11, 7108375), (19, 4115375), (25, 3127685), (41, 1907125), (55, 1421675), (73, 1071125), (95, 823075), (125, 625537), (205, 381425), (209, 374125), (275, 284335), (365, 214225), (451, 173375), (475, 164615), (779, 100375), (803, 97375), (1025, 76285), (1045, 74825), (1375, 56867), (1387, 56375), (1825, 42845), (2255, 34675), (2375, 32923), (2993, 26125), (3895, 20075), (4015, 19475), (5125, 15257), (5225, 14965), (6935, 11275), (8569, 9125)]