25023975

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 43806720

約数和(自身を除く): 18782745

約数列:

[1, 3, 5, 15, 25, 31, 47, 75, 93, 141, 155, 229, 235, 465, 687, 705, 775, 1145, 1175, 1457, 2325, 3435, 3525, 4371, 5725, 7099, 7285, 10763, 17175, 21297, 21855, 32289, 35495, 36425, 53815, 106485, 109275, 161445, 177475, 269075, 333653, 532425, 807225, 1000959, 1668265, 5004795, 8341325, 25023975]

約数ペア:

[(1, 25023975), (3, 8341325), (5, 5004795), (15, 1668265), (25, 1000959), (31, 807225), (47, 532425), (75, 333653), (93, 269075), (141, 177475), (155, 161445), (229, 109275), (235, 106485), (465, 53815), (687, 36425), (705, 35495), (775, 32289), (1145, 21855), (1175, 21297), (1457, 17175), (2325, 10763), (3435, 7285), (3525, 7099), (4371, 5725)]