25478425

素因数分解:

$5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 38247552

約数和(自身を除く): 12769127

約数列:

[1, 5, 7, 25, 35, 41, 53, 67, 175, 205, 265, 287, 335, 371, 469, 1025, 1325, 1435, 1675, 1855, 2173, 2345, 2747, 3551, 7175, 9275, 10865, 11725, 13735, 15211, 17755, 19229, 24857, 54325, 68675, 76055, 88775, 96145, 124285, 145591, 380275, 480725, 621425, 727955, 1019137, 3639775, 5095685, 25478425]

約数ペア:

[(1, 25478425), (5, 5095685), (7, 3639775), (25, 1019137), (35, 727955), (41, 621425), (53, 480725), (67, 380275), (175, 145591), (205, 124285), (265, 96145), (287, 88775), (335, 76055), (371, 68675), (469, 54325), (1025, 24857), (1325, 19229), (1435, 17755), (1675, 15211), (1855, 13735), (2173, 11725), (2345, 10865), (2747, 9275), (3551, 7175)]